Measurement and Instrumentation A dynamometer wattmeter can be used for DC only Both DC and AC AC only Any of the listed here DC only Both DC and AC AC only Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for momentum? mass × acceleration force × displacement change of velocity / time mass × velocity mass × acceleration force × displacement change of velocity / time mass × velocity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high precision. high sensitivity. minimum effect on the current in the circuit. high accuracy. high precision. high sensitivity. minimum effect on the current in the circuit. high accuracy. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What are the SI units of mass, length and time respectively? g, m and s. g, cm and s. kg, m and s. kg, cm and s. g, m and s. g, cm and s. kg, m and s. kg, cm and s. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors mainly caused by human mistakes are gross error. observational error. instrumental error. systematic error. gross error. observational error. instrumental error. systematic error. 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 = 2R2. R1 = 3R2. R1 = R2. R1 = R2/2. R1 = 2R2. R1 = 3R2. R1 = R2. R1 = R2/2. ANSWER DOWNLOAD EXAMIANS APP