Q.1 Match List-I with List-II and select the correct option:
List-I List-II
1. Venturimeter A. Flow rate
2. Currentmeter B. Flow velocity
3. Piezometer C. Flow pressure
(a) A-1, B-2, C-3 (b) A-2, B-1, C-3 (c) A-3, B-2, C-1 (d) A-3, B-1,C-2
Q.2 The limit of the values of the coefficient of discharge of venturimeter is between:
(a) 0.60 to 0.75 (b) 0.76 to 0.80 (c) 0.81 to 0.94 (d) 0.95 to 0.99
Q.3 A pitot tube (coefficient =1) is used to measure the velocity of air of mass density 1.2 kg/m3. If the head difference in a vertical U-tube filled with water is 12 mm then the velocity of air (in m/s will
(a) 10 (b) 14 (c) 17 (d) 20
Q.4 The head loss at an orifice (Cv = 0.98) discharging under a head of 2 m is:
(a) 0.02 m (b) 0.04 m (c) 0.06m (d) 0.08m
Q.5 The viscosity of water as compared to that of air is about
(a) 50 times (b) 55 times (c) 60 times (d) 65 times
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