Two Wattmeter Method | Electrical Job in BD |All Question BUET MIST Pattern
Two Wattmeter Method
● Theory
● Objective Question Solution
● Math Solution
[BPDB, PGCB, DPDC, DESCO, NWPGCL, NESCO,
APSCL, NPCBL, EGCB, WZPDCL, etc.]
Objective: In a 3-phase power measurement by two wattmeter method, both the wattmeters had identical readings. The power factor of
the load was
A.Unity
B.0.8 lagging
C.0.8 leading
D.Zero
Math: In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of
the load must be
A.Unity
B.0.5
C.0.3
D.Zero
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