As open fuse has a resistance of
As open fuse has a resistance of
AZero
Binfinity
Cabout 100 ohms at room temperature
Dat least 1000 ohms
Monday, December 23, 2019
Open circuit test on transformers is conducted to measure
Open circuit test on transformers is conducted to measure
Acore loss
Bfriction loss
Ccopper loss
DNone of these
The electron emission method used in vacuum tube is
The electron emission method used in vacuum tube is
Athermionic emission
Blow electric field emission
Chigh electric field emission
DNone of these
Bitumen is a
Bitumen is a
Anatural organic substance
Bsynthetic organic substance
Csemi-synthetic organic substance
DNone of these
In case a hinged support the reaction
In case a hinged support the reaction
Aacts in a direction perpendicular to the plane on which hinge is supported
Bmay be in any direction depending upon the bed
Creactions are perpendicular to the plane of bottom surface of the structure.
DNone of these
The joint in which the number of rivets decreases as we proceed from innermost row to the outermost row, is known as
The joint in which the number of rivets decreases as we proceed from innermost row to the outermost row, is known as
Achain riveted joint
Bzia zag joint
Cdiamond riveted joint
Ddouble riveted butt joint
The advantage(s) of an economiser is/are
The advantage(s) of an economiser is/are
Ait increases the efficiency of the boiler plant
Bit reduces the range of temperature between different parts of the boiler
Cit makes for more rapid evaporation
DAll of these
