Test Quiz Mechanical Engineering - Set 22

1. The discharge through a turbine is
Directly proportional to H1/2
Inversely proportional to H1/2
Directly proportional to H3/2
Inversely proportional to H3/2

2. Which of the following is not wage incentive plan?
Differential piece rate system
Rowan plan
Emerson plan
Taylor plan

3. When the shear angle is large
Path of shear is short and chip is thin
Path of shear is large and chip is thick
Path of shear is short and chip is thick
Path of shear is large and chip is thin

4. Barometer is used to measure
Velocity of liquid
Atmospheric pressure
Pressure in pipes and channels
Difference of pressure between two points in a pipe

5. Planck's law holds good for
Black bodies
Polished bodies
All coloured bodies
All of the above

6. Which of the following is not an impulse turbine?
Girad turbine
Turgo turbine
Pelton wheel
Kaplan turbine

7. If the temperature of a solid surface changes from 27°C to 627°C, then its emissive power changes in the ratio of

8. A cotter joint is used to transmit
Axial tensile load only
Axial compressive load only
Combined axial and twisting loads
Axial tensile or compressive loads

9. An aluminium member is designed on the basis of
Yield stress
Elastic limit stress
Proof stress
Ultimate stress

10. The thermostatic expansion valve is also called
Constant pressure valve
Constant temperature valve
Constant superheat valve
None of these

11. A Pelton wheel develops 1750 kW under a head of 100 metres while running at 200 r.p.m. and discharging 2500 litres of water per second. The unit power of the wheel is
0.25 kW
0.75 kW
1.75 kW
3.75 kW

12. Galvanizing is a
Zinc diffusion process
Process of coating zinc by hot dipping
Process used for making thin phosphate coating on steel
None of the above

13. The first method invented for planning projects was
Bar chart method
Milestone chart
Critical path method (CPM)
Programme evaluation and review technique (PERT)

14. Which of the following statement is correct as regard to up milling?
It can not be used on old machines due to backlash between the feed screw of the table and the nut
The chips are disposed off easily and do not interfere with the cutting
The surface milled appears to be slightly wavy
The coolant can be poured directly at the cutting zone where the cutting force is maximum

15. The mechanical efficiency of an impulse turbine is
Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine
Ratio of the actual work available at the turbine to the energy imparted to the wheel
Ratio of the Work done on the wheel to the energy of the jet
None of the above

16. The edges of the boiler plates are bevelled to an angle of _______degree?

17. Neutral flame is used to weld
Cast iron
All of these

18. Probabilistic time for completion of any activity can be found out from
Optimistic time
Pessimistic time
Most likely time
All of these

19. The type of tool used on lathe, shaper and planer is
Single point cutting tool
Two point cutting tool
Three point cutting tool
Multipoint cutting tool

20. Buffing wheels are made of
Softer metals
Cotton fabric

     Score =

Correct answers:

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Item Reviewed: Test Quiz Mechanical Engineering - Set 22 Rating: 5 Reviewed By: Pranab Debnath
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