Measurement and Instrumentation What is the expression for acceleration? Mass x acceleration Force x displacement Mass x velocity Change in velocity / time Mass x acceleration Force x displacement Mass x velocity Change in velocity / time ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many fundamental units are there ? 7 6 4 8 7 6 4 8 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion (A) : Precision is a necessary prerequisiteof accuracy. Reason (R) : Precision guarantees accuracy. Both A and R are true and R is the correct explanation of A A is true but R is false A is false bur R is true Both A and R are true but R is NOT the correct explanation of A Both A and R are true and R is the correct explanation of A A is true but R is false A is false bur R is true Both A and R are true but R is NOT the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has All of these a faster response. a lower sensitivity. a higher accuracy. All of these a faster response. a lower sensitivity. a higher accuracy. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A variable w is related to three other variables x, y and z as w = xy/z. The variables are measured with meters of accuracy ± 0.5% reading, ± 1% of full scale value and ± 1.5% reading. The actual readings of the three meters are 80, 20 and 50 with 100 being the full scale value for all three. The maximum uncertainty in the measurement of w will be ± 6% ± 8% ± 7% ± 5% ± 6% ± 8% ± 7% ± 5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance can be measured most accurately by Multimeter Bridge method Megger Voltmeter-ammeter method Multimeter Bridge method Megger Voltmeter-ammeter method ANSWER DOWNLOAD EXAMIANS APP