GENERAL SCIENCE(CHEMISTRY) QUESTIONS FOR RRB ALP & TECHNICIAN DAY-22
GENERAL SCIENCE(CHEMISTRY) QUESTIONS FOR RRB ALP & TECHNICIAN DAY-22
Dear Bankersdaily Aspirants,
Hope you are preparing well for your RRB ALP & TECHNICIAN recruitment 2018 which is going to be held in the month of April/May of this year 2018.The Indian Railways has finally released the official notification announcing the Assistant Loco Pilot (ALP) & Technicians Recruitment. In the year 2018, Railways Recruitment Board or RRB will be recruiting to fill 26,502 vacancies for ALP and Technicians. This is a golden chance to grab a well secured job in the Indian Railways.
So its time for you people to boost your preparation to get a secured job in RRB as ALP & TECHNICIAN. Here are some important questions in Physics which will help to boost your preparation.
RRB ALP & TECHNICIAN recruitment 2018 Day- 22
No.of Questions: 10
Timing: 10 minutes
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1) By controlled heating of Quenched steel, its brittleness can be removed without affecting its hardness. This process is called _______
a) Amalgam
b) Metallurgy
c) Anodizing
d) Quenching
e) Tempering
2) Steelis heated to a temperature well below red hot and then cooled which turns it soft and the process is called ______
a) Annealing
b) Metallurgy
c) Alloy
d) Hydrolith
e) Pearl ash
3) The extraction of metals from their ores and then refining them for use is known as ________
a) Hydrolith
b) Alloy
c) Metallurgy
d) Tungsten
e) Amalgam
4) When one of the metal is mercury then the alloy is known as _______
a) Hydrolith
b) Fool’s gold
c) Tungsten
d) Amalgam
e) Pearl ash
5) Potassium carbonate is known as _______
a) Amalgam
b) Pearl Ash
c) Pitch blende
d) Fools gold
e) None of these
6) Cadmium rod is used in nuclear reactor to slow down the speed of _______
a) Neutron
b) Electron
c) Proton
d) Both a and b
e) None of these
7) Onion and garlic smell is due to _______
a) Cadmium
b) Potassium
c) Magnesium
d) Sodium
e) Calcium
8) _______ lead is used as anti-knocking compound.
a) Tri-methyl
b) Di-methyl
c) Tri-ethyl
d) Di-ethyl
e) Tetra-ethyl
9) ________ is known as fool’s gold.
a) Copper pyrite
b) Silver pyrite
c) Iron pyrite
d) Potassium carbonate
e) Calcium hydroxide
10) D2O (Heavy water) is used as ______ moderator.
a) Proton
b) Neutron
c) Electron
d) Atom
e) None of these
Answer Key
1) e) Tempering
2) a) Annealing
3) c) Metallurgy
4) d) Amalgam
5) b) Pearl Ash
6) a) Neutron
7) b) Potassium
8) e) Tetra-ethyl
9) c) Iron pyrite
10) b) Neutron
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