Lakshya Education MCQs

Question: A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as
Options:
A. Irreversible cycle
B. Thermodynamic cycle
C. Reversible cycle
D. None of these
Answer: Option B

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More Questions on This Topic :

Question 1. The amount of heat generated per kg of fuel is known as
  1.     Calorific value
  2.     Heat energy
  3.     Lower calorific value
  4.     Higher calorific value
Answer: Option A
Question 2. Change in enthalpy of a system is the heat supplied at
  1.     Constant pressure
  2.     Constant temperature
  3.     Constant volume
  4.     Constant entropy
Answer: Option A
Question 3. The amount of heat generated per kg of fuel is known as
  1.     Calorific value
  2.     Heat energy
  3.     Lower calorific value
  4.     Higher calorific value
Answer: Option A
Question 4. The specific heat of water is
  1.     2.512
  2.     1.817
  3.     4.187
  4.     None of these
Answer: Option C
Question 5. The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as
  1.     Element
  2.     Compound
  3.     Atom
  4.     Molecule
Answer: Option D
Question 6. Change in enthalpy of a system is the heat supplied at
  1.     Constant pressure
  2.     Constant temperature
  3.     Constant volume
  4.     Constant entropy
Answer: Option A

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