Time Left - 12:00 mins
JE 2019 || Day 11 || Measurements Quiz 2
Attempt now to get your rank among 487 students!
Question 1
The control spring of the instrument have following dimensions:
Length = 250 mm, thickness of the strip = 0.005 mm, width of the strop = 0.55 mm, Young modulus = 129 gN/m2
Find out the torque exerted by spring when it turns through 90 °
Length = 250 mm, thickness of the strip = 0.005 mm, width of the strop = 0.55 mm, Young modulus = 129 gN/m2
Find out the torque exerted by spring when it turns through 90 °
Question 2
A high frequency a.c. signal is applied to a PMMC instrument. IF the r.m.s. value of a.c. signal is 2 V, the reading of the instrument will be
Question 3
A 230 V single phase energy meter has a constant load current of 4 A passing through if for 5 hours at unity power factor. If the meter makes 1104 revolutions during this period, the meter constant is
Question 4
In Fig., the resistances of the two coils of wattmeter are 
and 
respectively and both are non-inductive. The load is taking a current of 20 A at 200 V and 0.8 p.f. lagging. What is the reading of wattmeter?
and respectively and both are non-inductive. The load is taking a current of 20 A at 200 V and 0.8 p.f. lagging. What is the reading of wattmeter? Question 5
A dynamometer wattmeter with its voltage coil connected across the load side reads 192 W. The load voltage is 208 V and the resistance of potential coil is 3825
. What is the true load power?
. What is the true load power? Question 6
The resistance of an ammeter having range 0-5 A is .8 Ω What is the effective current when the pointer reads 2 A?
An ammeter has a current range of 0-5 A, and its internal resistance is 0.2 Ω. Inorder to change the range to 0-25 A, we need to add a resistance o
Question 7
Fig. shows a permanent magnet moving coil (PMMC) voltmeter having range of 100 V. The coil resistance is 
and full-scale deflection current is 
What is the voltmeter sensitivity if the range is 50 V?
and full-scale deflection current is What is the voltmeter sensitivity if the range is 50 V?
Question 8
Fig. shows a permanent magnet moving coil (PMMC) voltmeter having range of 100 V. The coil resistance is 
and full-scale deflection current is 
What is the value of voltmeter sensitivity?
and full-scale deflection current is What is the value of voltmeter sensitivity? Question 9
The technique of adding a precise amount of time between the trigger point and the beginning of the scope sweep in a CRO is known as
Question 10
In moving iron instruments, the iron moves in a direction to cause
- 487 attempts
- 2 upvotes
- 4 comments
Tags :
ESE & GATE EEGeneralJul 22ESE & GATE EE
