Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Identify the correct sequence of process that results in lightning-
(A) Magnitude of accumulated charge becomes large.
(B) Accumulation of negative charge near the lower edges of cloud.
(C) Air becomes conductor of charges.
(D) Accumulation of positive charge near the upper edges of cloud.
(E) Negative and positive charge meet producing streaks of bright light and sound
called as lighting
Choose the correct answer from the options given below:
(A), (C), (B), (D), (E)
(D), (B), (C), (A), (E),
(D), (B), (A), (C), (E)
The calorific value of a fuel is expressed in the unit
g/J
kg/J
kJ/kg
J/g
To electroplate silver (AG) on a metal object, what will you choose as cathode, anode and electrolyte?
Cathode – metal object, Anode – silver bar, Electrolyte – copper salt
Cathode – silver bar, Anode – metal object, Electrolyte – silver salt
Cathode – metal object, Anode – silver bar, Electrolyte – silver salt
Cathode – copper rod, Anode – silver bar, Electrolyte – copper salt
Rashi was unable to hold the greasy tumbler of milk in her hand. It would be because of
Greasing has made the surface smooth, increasing the friction
Greasing has made the surface rough, decreasing the friction
Greasing has made the surface smooth, reducing the friction
Greasing has made the surface rough, increasing the friction
‘Combine’ is a machine. Identify from the following for which it is used?
For harvesting and threshing
For sowing and harvesting
For threshing and sowing
For irrigation and sowing