Q1: Thermodynamics ka asal matlab hai:
(A) Study of motion
(B) Study of heat and energy
(C) Study of electricity
(D) Study of magnetism
Answer: (B) Study of heat and energy
Q2: Thermodynamic system ke ird-gird jo sab kuch hota hai usay kehte hain:
(A) Boundary
(B) Surroundings
(C) Control mass
(D) Property
Answer: (B) Surroundings
Q3: System aur surroundings ko separate karta hai:
(A) Property
(B) Phase
(C) Boundary
(D) Process
Answer: (C) Boundary
Q4: Jo property mass par depend na kare usay kehte hain:
(A) Extensive property
(B) Intensive property
(C) Specific property
(D) General property
Answer: (B) Intensive property
Q5: Temperature kis type ki property hai?
(A) Extensive
(B) Intensive
(C) Additive
(D) None
Answer: (B) Intensive
Q6: Volume kis type ki property hai?
(A) Intensive
(B) Extensive
(C) Specific
(D) Constant
Answer: (B) Extensive
Q7: Specific volume hota hai:
(A) Volume × Mass
(B) Mass / Volume
(C) Volume / Mass
(D) Pressure / Volume
Answer: (C) Volume / Mass
Q8: State of a system define hoti hai:
(A) Ek property se
(B) Do independent properties se
(C) Teen properties se
(D) Kisi se nahi
Answer: (B) Do independent properties se
Q9: Equilibrium ka matlab hai:
(A) Sirf thermal balance
(B) Sirf mechanical balance
(C) Complete balance of all effects
(D) Motion
Answer: (C) Complete balance of all effects
Q10: Thermodynamic process hota hai:
(A) State ka change
(B) Mass ka change
(C) Volume ka zero hona
(D) Heat ka zero hona
Answer: (A) State ka change
Q11: Cycle mein system:
(A) Initial state par wapas aata hai
(B) Destroy ho jata hai
(C) Mass lose karta hai
(D) Heat lose karta hai
Answer: (A) Initial state par wapas aata hai
Q12: Path function ki example hai:
(A) Temperature
(B) Pressure
(C) Work
(D) Density
Answer: (C) Work
Q13: Point function ki example hai:
(A) Heat
(B) Work
(C) Temperature
(D) Process
Answer: (C) Temperature
Q14: Homogeneous system hota hai jisme:
(A) Ek hi phase ho
(B) Do phases ho
(C) Solid aur liquid mix ho
(D) Gas aur solid mix ho
Answer: (A) Ek hi phase ho
Q15: Phase ka matlab hai:
(A) Time period
(B) Matter ki uniform state
(C) Heat transfer
(D) Energy loss
Answer: (B) Matter ki uniform state
Q16: Pure substance hoti hai:
(A) Mixture of gases
(B) Fixed chemical composition
(C) Only solid
(D) Only liquid
Answer: (B) Fixed chemical composition
Q17: Density ka formula hai:
(A) m/V
(B) V/m
(C) P/T
(D) T/P
Answer: (A) m/V
Q18: Pressure define hota hai:
(A) Force × Area
(B) Force / Area
(C) Area / Force
(D) Mass / Volume
Answer: (B) Force / Area
Q19: Absolute pressure =
(A) Gauge pressure – Atmospheric pressure
(B) Atmospheric pressure – Gauge pressure
(C) Gauge pressure + Atmospheric pressure
(D) Gauge pressure only
Answer: (C) Gauge pressure + Atmospheric pressure
Q20: Zeroth law define karta hai:
(A) Heat transfer
(B) Thermal equilibrium
(C) Work done
(D) Entropy
Answer: (B) Thermal equilibrium