Minimum thermal efficiency of a steam boiler may be around ____________________ percent ?
Corona discharge is related to the operation of a/an_______________________?
Silicon crystal can be converted to p-type semi-conductor by doping with__________________?
Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines ?
Vibration upto 100 kilo hertz can be most accurately measured by a ________________ type accelerometer ?
Brinell Hardness Number (BHN) for talc is approximately in the range of ____________________?
Pressure exerted by a liquid depends upon its_________________?
Drills are usually made of__________________?
An ideal material for making cooking vessels should have___________________?
Propulsion of rocket follows from the_________________?