Related Questions

In order that current should flow without causing excessive heating or voltage drop, the relay contacts should
A Have low contact resistance
B Be clean and smooth
C Be of sufficient size and proper shape
D Have all above properties
Pharmacists recently conducted a study with respect to the reasons their customers purchased eye drops to soothe eye dryness. Dry eyes were more frequently experienced by customers who wore contact lenses than by custorners who did not wear contact lenses. The pharmacists concluded that wearing contact lenses, by itself, can cause contact wearers to have dry eyes.
A An inherited condition can cause both weak eyesight and dry eyes
B Physical exertion causes dry eyes in many people who wear contact lenses.
C Most people who have dry eyes do not wear contact lenses.
D Most people who wear contact lenses do not have dry eyes.
Ravi's brother is 3 years senior to him. His father was 28 years of age when his sister was born while his mother was 26 years of age when he was born. If his sister was 4 years of age when his brother was born, what were the ages of Ravi's father and mother respectively when his brother was born ?
A 32 years, 23 years
B 32 years, 29 years
C 35 years, 29 years
D 35 years, 33 years
Admittance relay is _______ relay.
A impedance
B directional
C non-directional
D none of the above
The common welding error that occurs due to shrinkage of weld metal, faulty clamping of parts, faulty penetration or overheating at joints is called?
A Distortion
B Warping
C Porous weld
D Poor fusion
Arzoo was born on 25th January 2015, while Aastha was born 554 days later. On which date was Aastha born?
A 2nd August 2016
B 31st July 2016
C 1st August 2016
D 3rd August 2016
Part of the transformer which is most subject to damage from overheating is
A iron core
B copper winding
C winding insulation
D frame or case
Overheating of satellites during re-entry to earth is controlled by
A Thick insulation
B Ceramic lining
C Cooling by flow of air over the surface
D None of these
Electrical contact materials used in switches, brushes, relay must possess
A High thermal conductivity and high melting point
B Low thermal conductivity and low melting pointL
C High thermal conductivity and low melting point
D Low thermal conductivity and high melting point
Today youngsters ___ themselves in ___ to much mobile contacts with their peers?
A engaged making
B engage making
C keeping doing
D busy doing

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