Mechanical Engineering Quiz - Set 16


1. In a flange coupling, the thickness of flanges is taken as one-half the diameter of shaft.
Agree
Disagree

2. The brake power is always greater than indicated power.
Agree
Disagree

3. A flow is called sonic, if the Mach number is unity.
Agree
Disagree

4. In a parallel flow heat exchanger, the rate of flow of heat and the rate of decrease of temperature are maximum.
Yes
No

5. A steel containing more than 0.8% carbon is known as eutectoid steel.
Yes
No

6. In a reaction turbine, the water enters the wheel under pressure and flows over the vanes.
Correct
Incorrect

7. The centrifugal tension on the belt has no effect on the power transmitted.
Correct
Incorrect

8. During suction stroke of a four stroke petrol engine, the inlet valve opens and the charge is sucked into the cylinder as the piston moves upwards from the bottom dead centre.
True
False

9. A shaft is a rotating machine element.
Correct
Incorrect

10. In two dimensional flow, the flow does not take place in a curve.
True
False

11. Slick is used for repairing and finishing the mould.
Correct
Incorrect

12. When a train is rounding a curve, the side thrust on the wheel flanges is prevented by raising the outer edge of the rail.
No
Yes

13. The key-ways, grooves and slots cannot be cut on a shaper.
True
False

14. Scott Russell's mechanism is made up of sliding pair.
Correct
Incorrect

15. A shaft is designed on the basis of rigidity and stiffness.
Correct
Incorrect

16. Wet bulb temperature indicates the moisture content in air.
Agree
Disagree

17. A Tandem type compound engine requires a larger flywheel.
True
False

18. When no external force acts on a body, after giving it an initial displacement, the body is said to have free vibrations.
True
False

19. In tungsten inert gas arc welding, a __________ electrode is used.
Consumable
Non-consumable

20. The minor diameter of a screw thread is also known as outside or nominal diameter.
Correct
Incorrect

     Score =

Correct answers:

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