Question 1 : Which of the following is not an advantage of a fire-tube boiler?
1. low first cost
2. reliability in operation
3. more draught required
4. quick response to load changes
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Question 2 : Fire-tube boilers are used in?
1. industrial steam generators
2. utility steam generators
3. marine steam generators
4. none of the mentioned
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Question 3 : In a fire-tube boiler, the water is in?
1. tube
2. shell
3. drum
4. all of the mentioned
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Question 4 : The diameter of flue tube in a Cornish boiler is __________ that of the shell
1. 3/5
2. 2/5
3. 1/3
4. 1/4
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Question 5 : Which of the following is a type of internally fired boiler?
1. Package boiler
2. HRT boiler
3. Lancashire boiler
4. Locomotive type boiler
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Question 6 : The theoretical indicator diagram of a simple steam engine is based upon the assumption that
1. there is no pressure drop due to condensation
2. steam is admitted at boiler pressure & exhausted at condenser pressure
3. the expansion of the steam is hyperbolic
4. all of the mentioned
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Question 7 : A compound steam engine in which piston rods of high pressure & low pressure cylinders are attached to two different crank sets at 1800 to each other, is called
1. Tandem type compound engine
2. Receiver type compound engine
3. Woolf type compound engine
4. none of the mentioned
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Question 8 : The relative efficiency is defined as?
1. ratio of thermal efficiency to rankine efficiency
2. ratio of brake power to the indicated power
3. ratio of heat equivalent to indicated power to the energy supplied in steam
4. product of thermal efficiency & Rankine efficiency
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Question 9 : When steam after doing work in the cylinder passes into a condenser, the engine is said to be a
1. slow speed engine
2. vertical steam engine
3. condensing steam engine
4. no-condensing steam engine
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Question 10 : In a uniflow engine
1. steam enters and exhausts through the same port
2. steam enters at one end and exhausts at the centre
3. steam enters at the centre and exhausts at the other end
4. none of the mentioned
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