WorksheetsMCQ on Mechanical Engineering Design
Total questions: 10
Worksheet time: 5mins
Which of the following joins two rotating shafts to each other?
Key
Coupling
Gear
Belt drive
Which of the following expression is not correct for designing a shaft according to rigidity?
T = GθJ / L
J = TL / Gθ
θ = TL / GJ
L = GθT / J
Which of the following is not the function of a spring?
They are used for the measurement of force and to control motion
They are used to absorb shocks and vibrations
They are used to store energy
They are used to measure displacement
Determine the number of coils in a helical compression spring, if the modulus of rigidity is 80 Gpa and spring stiffness is 50 N/ mm. Assume wire diameter and spring index as 8 mm and 5 respectively
11.8 turns
12.8 turns
13.3 turns
None of the above
Solid length for helical compression springs having square and ground ends is given as _________.
(n + 2)d
(n + 3)d
(n + 1)d
None of the above
Which of the following can be used for power transmission in intersecting shafts.
Spur Gear
Helical Gear
Bevel Gear
None of the listed
The greater the velocity ratio, the smaller the gearbox.
True
Greater the gearbox
Size of gearbox remains unaffected
None of the listed
Lewis equation in spur gears is applied _________.
only to the pinion
only to the gear
to stronger of the pinion or gear
to weaker of the pinion or gear
From the following, which type of gears can not be used for parallel shafts?
Spur
Helical
Herringbone
Worm and worm wheel
The anti-friction bearings
have low starting and low running friction at moderate speeds
have a high initial cost
can carry both radial and thrust loads
all the mentioned
