Answer Posted / harish kumar
generally 0.7-0.9
but for air it is 0.7
| Is This Answer Correct ? | 9 Yes | 3 No |
Post New Answer View All Answers
What is meant by reflectivity?
what is the minimum velocity of cooling water for maximum efficiency of condensor.
What are two essential conditions of perfect gas ?
How does a modern submarine move?
about induction motor
Which rays are produced by cobalt-60 in industrial radiography ?
Which material amoung EN8 and EN24 should be selected for the designing of the shafts of rotary kilns
what is natural frequency & how to find it?
List the energy saving opportunities in air compressor system.
Which pump is more efficient centrifugal pump or reciprocating pump?
how many types of jacks
what is first law of Thermodynamics ? What is second law of Thermodynamics ?
what's the difference between front and rear wheel drive?on what basis we choose the type of drive?
How is propeller fitted in shaft?
Which instrument has all the features of try-square, bevel protractor, rule and scriber?