What are topping and superposed turbines?
what is meant by absorptivity?
Define reynolds number [re].
What is the use for firmer chisel?
What is the use of chuck?
Define refrigerant.
What type of cross-section is usually of a chisel?
Define stefan boltzman contant.
Why centrifugal pump is not called as a positive displacement type of pump?
Name the machines you know?
What is welding?
Name of any five measuring instruments?
In si units, one ton of refrigeration is equal to ?
What is meant by reflectivity?
Define tons of refrigeration and cop.