A. high velocity
B. high pressure
C. weak material
D. low pressure
E. low viscosity
Related Mcqs:
- Cavitation will begin when__________________?
A. the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid
B. pressure becomes more than critical pressure
C. flow is increased
D. pressure is increased
E. none of the above - Detonation can be controlled by_____________________?
A. varying compression ratio
B. using lian mixture
C. retarding the spark timing
D. reducing the r.p.m.
E. increasing inlet pressure - Violent sound pulsations within the cylinder of an I.C. engine are caused due to_________________?
A. heavy turbulence
B. improved scavenging
C. heavy supercharging
D. detonation
E. preignition - Detonation is caused by the following unstable compounds______________________?
A. peroxides, aldehydes and ketones
B. peroxides, aldehydes, oxides and sul-phides
C. aldehydes, oxides and ketones
D. ketones and sulphur compounds
E. none of the above - Mercury does not wet glass. This is due to property of liquid known as__________________?
A. adhesion
B. cohesion
C. surface tension
D. viscosity
E. compressibility - The atmospheric pressure with rise in altitude decreases__________________?
A. linearly
B. first slowly and then steeply
C. first steeply and then gradually
D. unpredictable
E. none of the above - Uniform flow occurs when ___________________?
A. the flow is steady
B. the flow is streamline
C. size and shape of the cross section in a particular length remain constant
D. size and cross section change uniformly along length
E. flow occurs at constant fate - The flow which neglects changes in a transverse direction is known as_________________?
A. one dimensional flow
B. uniform flow
C. steady flow
D. turbulent flow
E. streamline flow - Newton’s law of viscosity is a relationship between____________________?
A. shear stress anctthejiate of angular distortion
B. shear stress and viscosity
C. shear stress, velocity and viscosity
D. pressure, velocity and viscosity
E. shear stress, pressure and rate of angular distortion - Density of water is maximum at__________________?
A. 0°C
B. 0°K
C. 4°C
D. 100°C
E. 20°C.
