An instrument designed to maintain a continuous record of atmospheric pressure is a(n)().
The Wheat-stone bridge is a precision measuring instrument utilizing the principle of changes in().
An instrument useful in predicting fog is the().
The Wheat-stone bridge is a precision measuring instrument utilizing the principle of changes in().
After each reading of an oxygen indicator,the instrument should be purged with().
An instrument that maintains a continuous record of humidity changes is called a().
Bourdon Tube is probably the most commonly used () measuring instrument.
The most common instrument used to measure diesel engine exhaust pressure is the ()
A pyrometer is an instrument used to measure the temperature of the diesel engine()
He read the _____ carefully before assembling the instrument.