Heat Transfer Questions


Q.  Depending on the radiating properties, a body will be opaque when _________________?

a. p = 0, x = 0 and a = 1
b. p=l,x = 0anda = 0
c. p = 0, x = 1 and a = 0
d. x – 0, a + p = 1
e. a=0,x + p= 1.


ANSWER: See Answer
 
where a = absorptivity, p = reflectivity, X = transmissivity
MCQs:  Motion of a liquid in a volute casing of a centrifugal pump is an example of____________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Medium specific speed of a pump implies it is_________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Indicator diagram of a reciprocating pump is a graph between________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Any change in load is adjusted by adjusting following parameter on turbine______________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  The maximum number of jets generally employed in impulse turbine without jet interference is________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  High specific speed of turbine implies it is__________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Casting of a centrifugal pump is designed so as to minimize________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between_________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  The flow rate in gear pump___________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Reaction turbines are used for____________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  The angle of taper on draft tube is A. greater than 15° B. greater than 8° C. greater than 5° D. less than 8° E. less than 3°.___________________? The angle of taper on draft tube is
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  In axial flow fans and turbines, fluid enters and leaves as follows________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Air vessels in reciprocating pump are used to__________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  According to fan laws, at constant speed and capacity, the pressure and power vary_____________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Maximum impulse will be developed in hydraulic ram when ___________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  A hydraulic intensifier normally consists of __________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Hydraulic accumulator is used for____________________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Puck up the wrong statement about centrifugal pump_______________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  Saving of work done and power by fitting an air vessel to double acting reciprocating pump is of the order of_______________?
Category: Mechanical Engineering Questions,   Published by: teswesm
MCQs:  A hydraulic accumulator normally consists of________________?
Category: Mechanical Engineering Questions,   Published by: teswesm