Power Plant Engineering Practice Test 9

1. In a Tandem type compound engine, the high pressure and low pressure cylinders ___________

are set in V-arrangement

have separate piston rods

have common piston rods

are set at 90 degrees

2. Which is the main ore of thorium?

Pitchblende

None of the mentioned

Magnetite

Monazite Sand

3. Besides mean effective pressure, the data required to determine the indicated power of an engine include __________

specific fuel consumption, speed of rotation and torque

piston diameter, length of stroke and speed of rotation

piston diameter, specific fuel consumption and Calorific value of fuel

piston diameter, length of stroke and calorific value of fuel

4. A closed vessel made of steel & used for the generation of steam is called a ___________

steam boiler

steam condenser

steam injector

steam turbine

5. The diagram factor is the ratio of ___________

any of the above mentioned

actual mean effective pressure to the theoretical mean effective pressure

area of actual indicator diagram to the area of theoretical indicator diagram

actual work done per stroke to the theoretical work done per stroke

6. The actual vacuum in a condenser is equal to ___________

barometric pressure - actual pressure

gauge pressure + atmospheric pressure

barometric pressure + actual pressure

gauge pressure - atmospheric pressure

7. “Critical mass” is the minimum mass of nuclear fissile material required for the __________

sustainment of chain reaction

none of the mentioned

power generation on commercial scale

economic power generation

8. The performance of a boiler is measured by the ___________

steam formation

moisture in fuel

dry flue gases

unburnt carbon

9. The half-life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half-life period of a radioactive substance is one month, then?

it will completely disintegrate in two months

3/4th of it will disintegrate in two months

l/8th of it will remain intact at the end of four months

it will completely disintegrate in four months

10. Which of the following statement is correct?

Lancashire boiler is a fire tube boiler

Fire tube boilers are internally fired

All of the mentioned

Babcock and Wilcox boiler is a water tube boiler