Claymore is anti-tank weapon?
True
False
Boiling water under normal atmospheric pressure is at temperature of ____ .
100 degree celcius
more than 100 degree celcius.
less than 100 degree celcius
can be more or less than 100 degree celcius
you go to a very high hill station. you have a picnic there. you try to cook food in open pan. you find that the time taken for cooking is more than it took back at your home.
the above statement is false
because the water boils at less than 100 degree celcius on hill, so more time is required
because water is very cold at hill station
none of the above.
food in pressure cooker gets cooked early than in open pan.
the above statement is false.
in pressure cooker the pressure is high so food is cooked early
in pressuere cooker the pressure is low so the food is cooked early
in pressure cooker water boils at lower temperature cooking the food early
The whistle used to train dog is not audible to human ear.
because they are infra-sonic whistle specially meant for dogs
because they are ultra-sonic whistle specially made for dog
ultrasonic sound is ____.
between 20 Hz to 20 kHz
below 20 kHz
equal to 20 kHz
above 20 kHz
When ships sail in sea , the use SONAR method to find the depth of sea at any place or to locate any enemy submaries. The concept behind SONAR is ______ .
superposition principle
echo
both of the above
none of these
R.D.X
Research Department eXplosive
Recursive Detonating eXplosive
Reactive Detonation eXplosive
None
T.N.T.
Tetra Nitrous Timber
Tetra Nitrous Toluene
Tri Nitro Toluene
Tri Nitrous Timber
LSD (drug)
Lead Silver Drug
Lysergic acid Diethylamide
Lysergic Silver Drug