Fluid Mechanics Test Questions

Q.  Choose the wrong statement?

a. Viscosity of a fluid is that property which determines the amount of its resistance to a shearing force
b. Viscosity is due primarily to interaction between fluid molecules
c. Viscosity of liquids decreases with in-crease in temperature
d. Viscosity of liquids is appreciably affected by change in pressure
e. Viscosity is expressed as poise, stoke, or saybolt seconds


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Metals are good conductors of heat because________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Cork is a good insulator because it has___________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Thermal conductivity of air at room temperature in kcal/m hr °C is of the order of__________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Thermal conductivity of air with rise in temperature__________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Total heat is the heat required to__________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Thermal conductivity of water at 20°C is of the order of_____________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The time constant of a thermocouple is_______________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  In heat transfer, conductance equals conductivity (kcal/hr/sqm/°C/cm) divided by ________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which of the following is expected to have highest thermal conductivity_______________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Thermal conductivity of a material may be defined as the________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Heat is transferred by all three modes of transfer, viz, conduction, convection and radiation in _________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The ratio of heat flow Q1/Q2 from two walls of same thickness having their thermal conductivities as ATj – 2K2 will be ________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Thermal diffusivity of a substance is ____________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  According to Prevost theory of heat exchange ___________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Thermal conductivity of glass-wool varies from sample to sample because of variation in ________________ ?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which of the following has least value of conductivity_________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Heat flows from one body to other when they have_________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  The amount of heat flow through a body by conduction is_______________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Which of the following has maximum value of thermal conductivity________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts
MCQs:  Heat transfer by radiation mainly depends upon___________________?
Category: Mechanical Engineering Questions,   Published by: T-Code Scripts