Related Questions

Lamp A is less bright than Lamp B; Lamp B is less brighter than Lamp C; Lamp C is as bright as Lamp D. Lamp B is brighter than Lamp D and Lamp D is brighter than Lamp A. Which lamp is the brightest ?
A Lamp A
B Lamp B
C Lamp C
D Lamp D
Lamp A is less bright than Lamp B; Lamp B is Brighter than lamp C; Lamp C is as bright as Lamp D. Lamp B is brighter than Lamb D and Lamp D is better than Lamp A. Which is the brightest?
A Lamp A
B Lamp B
C Lamp C
D Lamp D
Last year Jaman bought two lamps. This year he sold them for BDT 2000 each . On one lamp, he made 25% profit and on the other lamp he had 25% profit and on the other lamp he had 25% loss, 'What was his net loss or profit? -
A Loss BDT 1000
B Profit BDT 100
C LOSS BDT 100
D None
Resistance of carbon filament lamp as the applied voltage increases.
A Increases
B Decreases
C Remains same
D None of the above
In a lamp load when more than one lamp are switched on the total resistance of the load
A Increases
B Decreases
C Remains same
D None of the above
A lamp is manufactured to sell for $35.00, which yields a profit of 25% of cost . If the profit is to be reduced to 15% of cost , what will be the new retail price of the lamp?
A $31.50
B $28.00
C $21.00
D $32.20
Masud has all his office supplies laid out in an orderly way on his desk.The pens are directly to the left of the memos . The lamp cannot be next to the stapler . The memos must be in the middle . The clipboard is to the left of the stapler . Which position is the lamp in ? (giving the positions numbers 1-5 from left to right ).
A 1
B 2
C 3
D 4
For given applied voltage, with the increase in frequency of the applied voltage
A eddy current loss will decrease
B eddy current loss will increase
C eddy current loss will remain unchanged
D none of the above
Why is argon gas used along with tungsten wire in an electric bulb?
A To increase the life of the bulb
B To reduce the consumption of electricity
C To make the emitted light colored
D To reduce the cost of the bulb
Tungsten in steel
A Improves wear resistance, cutting ability and toughness
B Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties
C Improves cutting ability and reduces hardenability
D Gives ductility, toughness, tensile strength and anti-corrosion properties

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