Steam and Gas Turbines Mock Test 4

10%

Question 1 of 10

1. Due to viscosity lift force is __________

decreased

none

increased

remains constant

Question 1 of 10

Question 2 of 10

2. Some of the fasteners are _______

Bolts

Nuts

All of the mentioned

Keys

Question 2 of 10

Question 3 of 10

3. Drag force is parallel to lift force.

False

True

Question 3 of 10

Question 4 of 10

4. Ductility increases with ____________ in temperature.

Ductility doesn't effect with temperature

Decrease

None of the mentioned

Increase

Question 4 of 10

Question 5 of 10

5. Angle between surface of target and plane perpendicular to the nozzle central line is called as _______

nozzle angle

none of the mentioned

reversal efflux angle

blade exit angle

Question 5 of 10

Question 6 of 10

6. Rotational disks deform due to ______________

axi symmetrical

uni symmetrical

none of the mentioned

multi symmetrical

Question 6 of 10

Question 7 of 10

7. For reaction turbines the optimum sigma value lies between _____________

0.6 and 1.0

none of the mentioned

0.8 and 1.0

0.4 and 0.8

Question 7 of 10

Question 8 of 10

8. Gas turbine discs are made of _______

Nickel

None of the mentioned

Chromium

Chrome-Nickel steel alloy

Question 8 of 10

Question 9 of 10

9. Large electricity generating steam turbine uses shrouding.

False

True

Question 9 of 10

Question 10 of 10

10. Cooling is classified into ________

liquid cooling

none of the mentioned

air cooling

air & liquid cooling

Question 10 of 10