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NPA 1140- Torque and Shaft

Total questions: 45

Worksheet time: 23mins

Name
Class
Date
1.

What is the formula of torque?

a)

T = F x d

b)

T = F/d

c)

T = F + d

d)

T = F - d

2.

____________ is a cylindrical piece of material used to transmit mechanical power in the form of torque.

a)

shaft

b)

electric motor

c)

generator

d)

turbine

3.

_______________ is the most common type of all shaft materials because it is cheap and easy to machine.

a)

cold rolled steel

b)

aluminum

c)

bronze

d)

plastic

4.

Shaft specifications include the type of material, diameter, tolerance and ____________.

a)

length

b)

width

c)

pressure

d)

temperature

5.

Select 4 commonly used shaft materials

a)

cold rolled steel

b)

hardened steel

c)

chrome plated steel

d)

stainless steel

e)

bronze

6.

Accuracy stock is a precision ground to more exact tolerance than standard round stock.

a)

TRUE

b)

FALSE

7.

Select the different components of mechanical power transmission

a)

shaft

b)

bearing

c)

pulley

d)

gear

e)

tire

8.

The equipment that transmits mechanical power is called _________________.

a)

driver or prime mover

b)

driven device

9.

The equipment that receives mechanical power is called _________________.

a)

driver or prime mover

b)

driven device

10.

______________ is the positioning of the rotational centers of two or more shafts such that they are co-linear when the machines are under normal operating conditions

a)

Shaft alignment

b)

roller alignment

c)

pulley alignment

d)

winding alignment

11.

Select the 3 criteria of shaft alignment

a)

parallel

b)

elevation

c)

axial

d)

series

e)

star

12.

What type of misalignment is described in the picture?

a)

parallel

b)

angular

c)

combined

13.

What type of misalignment is described in the picture?

a)

parallel

b)

angular

c)

combined

14.

What type of misalignment is described in the picture?

a)

parallel

b)

angular

c)

combined

15.

____________ describes the angle between 2 rotating axes

a)

angularity

b)

gap

c)

offset

d)

onset

16.

The distance between the shafts of the drive and the driven device.

a)

angularity

b)

gap

c)

offset

d)

onset

17.

The distance between rotation axes at a given point.

a)

angularity

b)

gap

c)

offset

d)

onset

18.

The shafts is properly aligned when the angle between to rotating axes is zero.

a)

TRUE

b)

FALSE

19.

The shafts is properly aligned when the gap between the couplings of the driver and the driven device is equal.

a)

TRUE

b)

FALSE

20.

_____________ is a rotational force that causes an object to turn about a point.

a)

torque

b)

gravity

c)

mass

d)

weight

21.

A 100 Newton force is applied to a torque wrench with a distance of 300 mm from the axes of rotation. What is the value of torque in Newton-meter?

a)

3,000 Nm

b)

300 Nm

c)

30 Nm

d)

3 Nm

22.

This torque tool can be programmed and the most accurate torque tool available.

a)

click type wrench

b)

pneumatic torque wrench

c)

DC Electric tools

d)

hydraulic torque tools

23.

This torque tool is a manually operated hand tool that produces a "click" when the torque setting is reached.

a)

click type wrench

b)

pneumatic torque wrench

c)

DC Electric tools

d)

hydraulic torque tools

24.

This torque tool uses pressurized air to operate.

a)

click type wrench

b)

pneumatic torque wrench

c)

DC Electric tools

d)

hydraulic torque tools

25.

This torque tool uses an electric motor to create the torque required to tighten a fastener.

a)

click type wrench

b)

pneumatic torque wrench

c)

DC Electric tools

d)

Electric Direct Drive

26.

Portable power tools can be carried from one work site to another.

a)

TRUE

b)

FALSE

27.

What type of mechanical power transmission component is in the picture?

a)

bearing

b)

gear

c)

pulley

d)

shaft

28.

What type of mechanical power transmission component is in the picture?

a)

bearing

b)

gear

c)

pulley

d)

shaft

29.

What type of mechanical power transmission component is in the picture?

a)

bearing

b)

gear

c)

pulley

d)

shaft

30.

What type of mechanical power transmission component is in the picture?

a)

bearing

b)

gear

c)

pulley

d)

shaft

31.

What type of shaft alignment tool is in the picture?

a)

dial indicator

b)

laser alignment tool

c)

feeler guage

32.

What type of shaft alignment tool is in the picture?

a)

dial indicator

b)

laser alignment tool

c)

feeler guage

33.

What type of shaft alignment tool is in the picture?

a)

dial indicator

b)

laser alignment tool

c)

feeler guage

34.

___________ is a tool to cut a specific sized round hole through a material.

a)

drill bit

b)

driver bit

c)

extensions

d)

specialty

35.

___________ is a tool used to drive a fastener into a material.

a)

drill bit

b)

driver bit

c)

extensions

d)

specialty

36.

___________ is used to drive a fastener in hard to reach areas.

a)

drill bit

b)

driver bit

c)

drill extensions

d)

specialty

37.

The shaft from the device that delivers power is called the “driven shaft”.

a)

TRUE

b)

FALSE

38.

The shaft that receives power is called the “driving shaft”.

a)

TRUE

b)

FALSE

39.

Normally the driven shaft is the shaft that will not be moved after it is set up and leveled.

a)

TRUE

b)

FALSE

40.

The driving shaft will normally be the shaft that is adjusted during alignment.

a)

TRUE

b)

FALSE

41.

Select 3 results of mislignment

a)

excess forces on bearings

b)

excess vibration

c)

excess loading on the device

d)

excess voltage

e)

excess resistance

42.

When one shaft is not parallel with each other.

a)

parallel misalignment

b)

angular misalignment

43.

When the center of one shaft is at an angle with the other shaft.

a)

parallel misalignment

b)

angular misalignment

44.

Find the force needed when a torque of 15 Nm is applied at a distance of 500 mm?

a)

0.03 N

b)

0.3 N

c)

3 N

d)

30 N

45.

Find the length of the torque wrench when 625 Nm is required to a force of 2500 N?

a)

250 mm

b)

25 mm

c)

2.5 mm

d)

2,500 mm