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Mechanical Engineering Quiz

Total questions: 116

Worksheet time: 1hrs 16mins

Name
Class
Date
1.

Convert 0.13 into Degrees

(a)  

2.

Determine the torque of a solid shaft which will transmit 300 kW power at 200 rpm

(a)  

3.

Power, P = 2πNT/60000 , the unit of T is (a)  

4.

The diameter of the shaft is 20 mm. Find polar moment of inertia.

(a)  

5.

In P = 2πNT/60000, the unit of T is (a)  

6.

In P = 2πNT/60000, the unit of P is (a)  

7.

The power transmitted by the shaft P = (a)  

8.

If Bending moment, M = 30Nmm, Moment of Inertia, I = 6 mm4, y = 10 mm, Bending stress, then f = ________

4 lines
9.

If Moment of Inertia, I = 6 mm4,y = 10 mm, Bending stress f = 50 mm, then Bending moment M = ________

4 lines
10.

Determine the torque of a solid shaft which will transmit 300 kW power at 200 rpm

4 lines
11.

Determine the torque of a solid shaft which will transmit 120 kW power at 200 rpm

4 lines
12.

Determine the torque of a solid shaft which will transmit 75 kW power at 200 rpm

4 lines
13.

Determine the torque of a solid shaft which will transmit 120 kW power at 200 rpm

4 lines
14.

Determine the torque of a solid shaft which will transmit 90 kW power at 160 rpm

4 lines
15.

In the bending equation, the unit of R is ______

a)

mm2

b)

mm3

c)

mm

d)

No unit

16.

Theory of simple bending is put forward by

a)

Newton

b)

Euler-Bernoulli

c)

Rankine

d)

Hook

17.

In the bending equation, the unit of R is ______

a)

mm2

b)

mm3

c)

mm

d)

No unit

18.

Section modulus is given by

a)

Y/I

b)

MI/Y

c)

I/Y

d)

f/y

19.

Neutral axis of a beam is the axis

a)

The shear is zero

b)

The moment of inertia is zero

c)

The Bending stress is zero

d)

The bending stress is maximum

20.

Power, P = 2πNT/60000 , the unit of T is ______

a)

N/m

b)

N m

c)

N/m2

d)

N/m3

21.

In the bending equation, y =

a)

fI/M

b)

MI/f

c)

Mf/I

d)

none of these

22.

In the bending equation, I =

a)

MR/E

b)

ER/M

c)

ME/R

d)

none of these

23.

In the bending equation, y =

a)

fI/M

b)

MI/f

c)

Mf/I

d)

none of these

24.

Polar Modulus is a ratio of___________

a)

Polar Moment of Intertia / Maximum radius

b)

Maximum radius / Polar Moment of Inertia

c)

Polar Moment of Inertia X Maximum radius

d)

None of these

25.

The leaf spring is an example of ________________

a)

Torsion Spring

b)

Bending spring

c)

Coiled spring

d)

None of these

26.

Power transmitted by the shaft is

a)

Mean torque X Angle turned per second

b)

Mean torque / Angle turned per second

c)

Angle turned per second / Mean torque

d)

None of these

27.

In P = 2πNT/60000, the unit of T is ______

a)

N/m

b)

N-m

c)

N/m2

d)

N/m3

28.

Which of the following is not the unit of power

a)

Watt

b)

Joule

c)

Nm/s

d)

J/s

29.

For a rectangular beam width b and depth d, Moment of inertia, I =

a)

bd3/12

b)

bd3 / 36

c)

bd3 / 6

d)

bd3 / 8

30.

For a rectangular beam width b and depth d, Moment of inertia, I =

a)

bd3/12

b)

bd3 / 36

c)

bd3 / 6

d)

bd3 / 8

31.

The leaf spring is an example of ________________

a)

Torsion Spring

b)

Bending spring

c)

Coiled spring

d)

None of these

32.

Which of the following is wrong in theory of simple bending?

a)

The material of the beam is homogeneous.

b)

The value of E is same in tension and compression.

c)

The beam is initially straight.

d)

The radius of curvature is not large.

33.

2° =__________ radians

a)

0.0349

b)

0.067

c)

0.09

d)

0.123

34.

Section modulus is given by

a)

Y/I

b)

MI/Y

c)

I/Y

d)

f/y

35.

Which of the following is wrong in theory of simple bending?

a)

The material of the beam is homogeneous.

b)

The value of E is same in tension and compression.

c)

The beam is initially straight.

d)

The radius of curvature is not large.

36.

Torsional rigidity is given by

a)

C X Ip

b)

C/Ip

c)

CƟIp

d)

Ip x C

37.

Theory of simple bending is put forward by

a)

Newton

b)

Euler-Bernoulli

c)

Rankine

d)

Hook

38.

If Bending moment, M = 30Nmm, Moment of Inertia, I = 6 mm4, y = 10 mm, Bending stress, then f = ________

a)

40mm

b)

50mm

c)

60mm

d)

65mm

39.

Torsional rigidity is given by

a)

C X Ip

b)

C/Ip

c)

CƟIp

d)

Ip x C

40.

In the bending equation, I =

a)

MR/E

b)

ER/M

c)

ME/R

d)

none of these

41.

2° =__________ radians

a)

0.0349

b)

0.067

c)

0.09

d)

0.123

42.

The independent elastic constants for a homogeneous and isotropic material are

a)

E,K,G

b)

E,K,G,v

c)

E,K,v

d)

E,G

43.

Polar modulus =

a)

Moment of Resistance X Shear stress

b)

Moment of Resistance / Shear stress

c)

Shear stress / Moment of Resistance

d)

None of these

44.

Convert 0.13 into Degrees

a)

3°

b)

8°

c)

4°

d)

5°

45.

Find the power if Torque T = 3605 N m and N = 180 rpm

a)

67.95 Kw

b)

76.45 kW

c)

679.5 kW

d)

70 kW

46.

The width of abeam is 60 mm and thickness is 60 mm, Then the Moment of inertia is

a)

1080000 mm4

b)

72000 mm4

c)

36000 mm4

d)

24000 mm4

47.

Convert 0.03 into Degrees

a)

4°

b)

2°

c)

6°

d)

8°

48.

The diameter of the shaft is 20 mm. Find polar moment of inertia.

a)

15000 mm4

b)

15707.96 mm4

c)

15500 mm4

d)

15850mm4

49.

The section Modulus of circular section is

a)

π/32 d3

b)

π/32 d4

c)

π/32 d2

d)

π/16 d2

50.

The diameter of the shaft is 20 mm. Find polar modulus

a)

1500 mm3

b)

1550 mm3

c)

1570 mm3

d)

1575 mm3

51.

The width of abeam is 60 mm and thickness is 60 mm, Then the Moment of inertia is

a)

1080000 mm4

b)

72000 mm4

c)

36000 mm4

d)

24000 mm4

52.

Find the Section Modulus if bending moment M = 4 X 106 N mm and the maximum stress is 166.67 N/mm2

a)

240 mm³

b)

24 mm³

c)

2400 mm³

d)

24000 mm³

53.

Neutral axis of a beam is the axis

a)

The shear is zero

b)

The moment of inertia is zero

c)

The Bending stress is zero

d)

The bending stress is maximum

54.

The independent elastic constants for a homogeneous and isotropic material are

a)

E,K,G

b)

E,K,G,v

c)

E,K,v

d)

E,G

55.

The diameter of the shaft is 20 mm. Find polar moment of inertia.

a)

15000 mm4

b)

15707.96 mm4

c)

15500 mm4

d)

15850mm4

56.

In the bending equation, M =

a)

RI/E

b)

ER/I

c)

EI/R

d)

none of these

57.

When a closely coiled spring is subjected to an axial load, it is said to be under

a)

Bending

b)

Shear

c)

Torsion

d)

All of these

58.

In P = 2πNT/60000, the unit of P is ______

a)

Newton

b)

KiloWatts

c)

Joule

d)

None of these

59.

The section Modulus of circular section is

a)

π/32 d3

b)

π/32 d4

c)

π/32 d2

d)

π/16 d2

60.

Find the moment of inertia of hollow pipe if D = 20mm, d =10mm.

a)

7.363mm4

b)

7363 mm⁴

c)

73.63 mm⁴

d)

0.7363 mm⁴

61.

In the bending equation, the unit of R is ______

a)

mm2

b)

mm3

c)

mm

d)

No unit

62.

Unit of Shear Modulus is

a)

N/m

b)

N/mm2

c)

N-m

d)

N-mm2

63.

In the bending equation, R =

a)

MI/E

b)

EI/M

c)

EM/I

d)

none of these

64.

Determine the torque of a solid shaft which will transmit 75 kW power at 200 rpm

a)

35.81 N m

b)

3.581 N m

c)

3581 N m

d)

358.1 N m

65.

Find the moment of inertia of hollow pipe if D = 20mm, d =10mm.

a)

7.363mm4

b)

7363 mm⁴

c)

73.63 mm⁴

d)

0.7363 mm⁴

66.

Neutral axis of a beam is the axis

a)

The shear is zero

b)

The moment of inertia is zero

c)

The Bending stress is zero

d)

The bending stress is maximum

67.

Which of the following is wrong

a)

f = M/Z

b)

Z = M/f

c)

M = f/Z

d)

M = f x Z

68.

In P = 2πNT/60000, the unit of N is ______

a)

Revolution

b)

Revolution per minute

c)

Metre

d)

None Of The Above

69.

Determine the torque of a solid shaft which will transmit 120 kW power at 200 rpm

a)

572.9 Nm

b)

5.729 Nm

c)

57.29 Nm

d)

5729 Nm

70.

Shafts are usually used in

a)

supports gears

b)

sprockets

c)

wheels & rotors

d)

All of the above

71.

The power transmitted by the shaft P = ______

a)

2πNT/6000

b)

2πNT/600

c)

2πNT/6

d)

2πNT/60000

72.

The ratio of moment of inertia of a section about the neutral axis to the distance of the outermost layer from the neutral axis is __________

a)

Elastic Modulus

b)

Section Modulus

c)

Rigidity Modulus

d)

Bulk Modulus

73.

In P = 2πNT/60000, the unit of T is ______

a)

N/m

b)

N-m

c)

N/m2

d)

N/m3

74.

The stress developed at the centre of the shaft subjected to pure torsion is

a)

Maximum

b)

Minimum

c)

Zero

d)

Unpredictable

75.

Neutral axis of a beam is the axis

a)

The shear is zero

b)

The moment of inertia is zero

c)

The Bending stress is zero

d)

The bending stress is maximum

76.

Polar Modulus is a ratio of___________

a)

Polar Moment of Intertia / Maximum radius

b)

Maximum radius / Polar Moment of Inertia

c)

Polar Moment of Inertia X Maximum radius

d)

none of these

77.

Determine the torque of a solid shaft which will transmit 300 kW power at 200 rpm

a)

143.24 Nm

b)

14.324 Nm

c)

1.4324 Nm

d)

14324 Nm

78.

The line of intersection of the neutral layer with the transverse section is

a)

Axial line

b)

Tangential Axis

c)

Neutral axis

d)

Positive layer

79.

The strength of the section is represented by

a)

Bulk Modulus

b)

Section Modulus

c)

Rigidity Modulus

d)

Elastic Modulus

80.

The independent elastic constants for a homogeneous and isotropic material are

a)

E,K,G

b)

E,K,G,v

c)

E,K,v

d)

E,G

81.

The unit of Rigidity Modulus C is

a)

N/mm2

b)

N

c)

N/mm3

d)

kw

82.

The device which is used to absorb energy due to resilience is

a)

Gear drive

b)

Belt drive

c)

Spring

d)

None of these

83.

The power transmitted by the shaft P = ______

a)

2πNT/6000

b)

2πNT/600

c)

2πNT/6

d)

2πNT/60000

84.

The diameter of the shaft is 20 mm. Find polar modulus

a)

1500 mm3

b)

1550 mm3

c)

1570 mm3

d)

1575 mm3

85.

Section modulus is given by

a)

Y/I

b)

MI/Y

c)

I/Y

d)

f/y

86.

In the bending equation, M =

a)

RI/E

b)

ER/I

c)

EI/R

d)

none of these

87.

torsional moment T =_____________

a)

ZXF

b)

f/ Z

c)

Zp xfs

d)

fxZ

88.

Which of the following is wrong in theory of simple bending?

a)

The material of the beam is homogeneous.

b)

The value of E is same in tension and compression.

c)

The beam is initially straight.

d)

The radius of curvature is not large

89.

The stress developed at the centre of the shaft subjected to pure torsion is

a)

Maximum

b)

Minimum

c)

Zero

d)

Unpredictable

90.

For a Cantilever beam, the maximum bending moment is at

a)

Free end

b)

Fixed end

c)

Middle

d)

None of these

91.

Find the bending moment if the maximum stress is 300 N/mm2, Section modulus is Z = 20000 mm3.

a)

6 X 106 N mm

b)

0 X 106 N mm

c)

600 X 106 N mm

d)

0.6 X 106 N mm

92.

The unit of point load is ______

a)

Newton

b)

Watt

c)

Joule

d)

Volt

93.

Find the power if Torque T = 4500 N m and N = 150 rpm

a)

67.00 Kw

b)

76.45 kW

c)

679.5 kW

d)

70.68 kW

94.

For a rectangular beam width b and depth d, Moment of inertia, I =

a)

bd3/12

b)

bd3 / 36

c)

bd3 / 6

d)

bd3 / 8

95.

In the bending equation, y =

a)

fI/M

b)

MI/f

c)

Mf/I

d)

none of these

96.

The power transmitted by the shaft P = ______

a)

2πNT/6000

b)

2πNT/600

c)

2πNT/6

d)

2πNT/60000

97.

The diameter of the shaft is 20 mm. Find polar modulus

a)

1500 mm3

b)

1550 mm3

c)

1570 mm3

d)

1575 mm3

98.

Theory of simple bending is put forward by

a)

Newton

b)

Euler-Bernoulli

c)

Rankine

d)

Hook

99.

If Bending moment, M = 30Nmm, Moment of Inertia, I = 6 mm4, y = 10 mm, Bending stress, then f = ______

a)

40mm

b)

50mm

c)

60mm

d)

65mm

100.

Convert θ = 4° into radians

a)

0.03

b)

0.04

c)

0.05

d)

0.06

101.

The maximum bending moment of a cantilever of length L and a load W at its free end is given by

a)

WL

b)

WL/2

c)

WL/4

d)

none of these

102.

In P = 2πNT/60000, the unit of T is ______

a)

N/m

b)

N-m

c)

N/m2

d)

N/m3

103.

The section Modulus of circular section is

a)

π/32 d3

b)

π/32 d4

c)

π/32 d2

d)

π/16 d2

104.

If Moment of Inertia, I = 6 mm4,y = 10 mm, Bending stress f = 50 mm, then Bending moment M = ________

a)

40mm

b)

45mm

c)

50mm

d)

30mm

105.

The width of abeam is 60 mm and thickness is 60 mm, Then the Moment of inertia is

a)

1080000 mm4

b)

72000 mm4

c)

36000 mm4

d)

24000 mm4

106.

In P = 2πNT/60000, the unit of P is ______

a)

Newton

b)

KiloWatts

c)

Joule

d)

None of these

107.

Find the Section Modulus if bending moment M = 4 X 106 N mm and the maximum stress is 166.67 N/mm2

a)

240 mm³

b)

24 mm³

c)

2400 mm³

d)

24000 mm³

108.

Which of the following is the example of bending spring

a)

Leaf Spring

b)

Laminated spring

c)

both (a) and (b)

d)

None of these

109.

The diameter of a circular pipe is 20 mm. Find the Section Modulus.

a)

785.3 mm³

b)

7.853 mm³

c)

78.53 mm³

d)

0.7853 mm³

110.

Convert 0.13 into Degrees

a)

3°

b)

8°

c)

4°

d)

5°

111.

Power transmitted by the shaft is

a)

Mean torque X Angle turned per second

b)

Mean torque / Angle turned per second

c)

Angle turned per second / Mean torque

d)

None of these

112.

If Bending moment, M = 30Nmm, Moment of Inertia, I = 6 mm4, y = 10 mm, Bending stress, then f = ________

a)

40mm

b)

50mm

c)

60mm

d)

65mm

113.

Polar modulus =

a)

Moment of Resistance X Shear stress

b)

Moment of Resistance / Shear stress

c)

Shear stress / Moment of Resistance

d)

None of these

114.

If d is the diameter of the circle, Z is the section Modulus then ymax =

a)

D/6

b)

D/2

c)

D/4

d)

D/8

115.

The diameter of a circular pipe is 20 mm. Find the Section Modulus.

a)

785.3 mm³

b)

7.853 mm³

c)

78.53 mm³

d)

0.7853 mm³

116.

Find the Section Modulus if bending moment M = 4 X 106 N mm and the maximum stress is 166.67 N/mm2

a)

240 mm³

b)

24 mm³

c)

2400 mm³

d)

24000 mm³

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