Q:

Which of the following is not soluble in water?

A) Lead sulphate	B) Zinc sulphate
C) Potassium sulphate	D) Sodium sulphate

Answer & Explanation Answer: A) Lead sulphate

Explanation:

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Filed Under: Chemistry
Exam Prep: Bank Exams

1 2077

Q:

Most liquids that conduct electricity are solutions of acids, bases and ______.

A) Copper	B) Aluminium
C) Salts	D) Iron

Answer & Explanation Answer: C) Salts

Explanation:

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Filed Under: Chemistry
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Q:

______ decreases the rate of setting of cement.

A) Alumina	B) Silica
C) Gypsum	D) Magnesium oxide

Answer & Explanation Answer: C) Gypsum

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Filed Under: Chemistry
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0 2077

Q:

Asterias (Star fish), Echinus (Sea urchin), Antedon (Sea Lily) are all examples of which Phylum?

A) Echinodermata	B) Annelida
C) Platyhelminthes	D) Arthropoda

Answer & Explanation Answer: A) Echinodermata

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Filed Under: Biology
Exam Prep: Bank Exams

1 2077

Q:

Sudden fall in the barometric reading is an indication of _______.

A) Storm	B) Scorching heat
C) Rain	D) Clear weather

Answer & Explanation Answer: A) Storm

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Filed Under: Physics
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3 2077

Q:

D.C Series motor never operated on

A) Full Load	B) Half Load
C) No Load	D) At any Load

Answer & Explanation Answer: C) No Load

Explanation:

D.C series motor both armature and feild connected in series at noload condition current drawn by the motor is zero Ia=0 flux also zero. but very small amount of flux avalible because of residual magnetism

in series motor speed = N α Eb/Φ Eb almost conistant

= N α 1/Φ

At no load condition d.c series can be run as dangerously very high so d.c series motor
operated at load condition only

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Filed Under: General Awareness
Exam Prep: Bank Exams , CAT , GATE , GRE , TOEFL
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1 2077

Q:

Transformer is a device to convert

A) D.C. to A.C.	B) Low voltage D.C. into high voltage D.C.
C) Low voltage A.C. into high voltage A.C.	D) Mechanical energy into Electrical energy

Answer & Explanation Answer: A) D.C. to A.C.

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

1 2076

Q:

Select the word with the correct spelling.

A) tapestry	B) emannates
C) insissted	D) coalese

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