physics set 6

Q.14 Mass flow per second of the fluid is given by:
A) ρAv                                     C) ρv
B) Av                                        D)Av/ρ
Q.15 The dimension of coefficient of viscosity is:
A) [M^-2L^-1T^-1]                             C) [ML^-2T¹]
B) [ML^-2T^-1]                               D) [ML^-1T^-1]

Q.16 When fluid is incompressible, the quantity is constant is:
A) Mass                                    C) Pressure
B) Density                                 D) Force
Q.17 In Bernoulli’s equation the term 1 2 ρv2 is called:
A) K.E. per unit volume              C) K.E. per unit area
B) K.E.                                      D) K.E. per unit length
Q.18 Potential energy per unit volume is given by:
A) mgh                                     C) gh
B) mgh/ρ                                  D) ρgh