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WorksheetsPRI Quizzes
Total questions: 10
Worksheet time: 6mins
You are going to maintain an electrical equipment and you are now installing a temporary grounding equipment before doing the maintenance. What cable size in AWG should you use to withstand a fault current of 15,000A for 0.5 sec.?
1/0
2/0
3/0
4/0
What do you call a device that combines essential features of a voltmeter, ammeter, and ohmmeter into a single unit?
Megger
phase sequence meter
caliper
multimeter
What part of the multimeter protects fingers and hands from shock?
(a)
While doing maintenance work in a railway substation, you are required to test the voltage using multi-meter. How will you connect the probes to the device under test?
(a)
You are performing a winding resistance test when suddenly a red light turns on in the display screen. What does this indicates?
This means connect the test probes to the appropriate input ports.
This means unsafe mode. You should not remove any cables.
This means that the system is in safe standby mode and ready for handling test leads and connections.
This means that the device under test is in good working condition.
How do voltage detector works?
Provides a safe passageway of fault current to the ground.
Allows the user to open and close a clamping hook mechanism.
Used for the measurement of contact wire height and stagger.
Provides the operator with a visual and audible warning if voltage is present.
What part of electronic type megger where test probes are inserted?
Display Screen
Indicators
Input ports
Selector Switch
Which of the following tools will you use to conduct insulation resistance test?
Clamp meter
Digital low-resistance ohmmeter
Megaohmmeter
Winding Resistance Meter
What name does Manila Railroad Company adopted when it was given a new charter under Republic Act No. 4156, s. 1964?
Manila Electric Company
Light Rail Transit Authority
Philippine National Railway
Department of Transportation- Railway Sector
Which among the following projects is considered as hard infrastructure rail projects?
I. Metro Manila Subway Project
II. AFCS Project
III. MRT Line 7
IV. Philippine Railways Institute
I only
I,II,III only
II & IV only
I & III only
