Measurement and Instrumentation Jewels are used in instruments for the purpose of Damping Bearing Torque control Suppressing noise Damping Bearing Torque control Suppressing noise ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An induction meter can handle current upto 100 A 60 A 30 A 10 A 100 A 60 A 30 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectronic accelerometer Has a low natural frequency. Should be used for low frequency. Should be used for high frequencies above 100 Hz. Should use a monitoring source at low input impedance. Has a low natural frequency. Should be used for low frequency. Should be used for high frequencies above 100 Hz. Should use a monitoring source at low input impedance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when R1 = R2/2. R1 = 3R2. R1 = 2R2. R1 = R2. R1 = R2/2. R1 = 3R2. R1 = 2R2. R1 = R2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ instruments are most sensitive. Hot wire Dynamometer Moving iron Permanent magnet moving coil Hot wire Dynamometer Moving iron Permanent magnet moving coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 0.65 0.73 1 0.84 0.65 0.73 1 0.84 ANSWER DOWNLOAD EXAMIANS APP