Lakshya Education MCQs

Question: The aim of a compound steam engine is
Options:
A. To reduce the ratio of expansion in each cylinder
B. To reduce the length of stroke
C. To reduce the temperature range in each cylinder
D. All of the above
Answer: Option D

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More Questions on This Topic :

Question 1. The diameter of fire tube of cornish boiler compared to its shell is
  1.     One half
  2.     One third
  3.     One fourth
  4.     One fifth
Answer: Option A
Question 2. 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 and exhausted at condenser pressure
  3.     The expansion (or compression) of the steam is hyperbolic
  4.     All of the above
Answer: Option D
Question 3. In cross compounding, the cylinders are arranged
  1.     Side by side and each cylinder has common piston, connecting rod and crank
  2.     Side by side and each cylinder has separate piston, connecting rod and crank
  3.     At 90° and each cylinder has common piston, connecting rod and crank
  4.     At 90° and each cylinder has separate piston, connecting rod and crank
Answer: Option B
Question 4. The diameter of internal flue tubes in a lancashire boiler compared to its shell is
  1.     One-half
  2.     One-third
  3.     Two-fourth
  4.     Two-fifth
Answer: Option D
Question 5. In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to
  1.     Water space also
  2.     Chimney
  3.     Steam space
  4.     Superheater
Answer: Option C
Question 6. In a glass tube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to
  1.     Water space also
  2.     Chimney
  3.     Steam space
  4.     Superheater
Answer: Option C

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