- (A) The velocity of sound
- (B) Dependent on its cross-sectional area
- (C) Dependent on fluid viscosity
- (D) Dependent on fluid density
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- (A) 4f (L/D) (v2/2gc) ρ
- (B) 32 (μLV/gc D2)
- (C) 16/NRe
- (D) (fLρ/D) (v2/2gc)
- (A) 4(Ro-Ri)
- (B) √(Ro-Ri)
- (C) 2(Ro-Ri)
- (D) Ro + Ri
- (A) Increases
- (B) Decreases
- (C) Remains unchanged
- (D) May increase or decrease; depends on the gas
- (A) Shifting the equilibrium towards right
- (B) Shifting the equilibrium towards left
- (C) No change in equilibrium condition
- (D) None of these
- (A) 35 K
- (B) 174 K
- (C) 274 K
- (D) 154 K
- (A) Adiabatic
- (B) Isothermal
- (C) Isometric
- (D) None of these
- (A) It should be non-explosive
- (B) It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils
- (C) Its vapor pressure at the condenser temperature should be very high
- (D) None of these
- (A) Fluid flow control is required
- (B) Fluid contains dispersed solid particles
- (C) Valve is required to be either fully open or fully closed
- (D) One way flow is required
- (A) m
- (B) n
- (C) n-m
- (D) n/m
