Related Questions

What should he used to extinguish a computer fire?
A fire hose
B class a extinguisher
C class c extinguisher
D silver foam water
E None of the above
A fire broke out in a garments factory. How many minutes would it take for a fire truck to got to the fire 10 miles away if it travels at a rate of 20 mph?
A 10/20
B 20/10
C 60 * (10/20)
D 60 * (20 /10)
Instead of extinguish' we can say-
A Put by
B put out
C Put up
D Put on
lestcad of 'extinguish', we can say-
A got by
B put out
C put up
D put on
Select the pair that best expresses a relationship similar to the one expressed in the pair extinguish : germinate
A Terminate: stop
B douse: emerge
C grow :evolve
D shoot:cease
Instead of 'Extinguish' we can say-
A put by
B put out
C put up
D put on
Which type of fire extinguisher is used for petroleum fire?
A Powder type
B Liquid type
C Soda acid type
D Foam type
Which type of fire extinguisher is used for petroleum fire ?
A Foam type
B Soda acid type
C Powder type
D None of these
The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be
A 2M
B $$\frac{{\text{M}}}{2}$$
C M
D $$\frac{{\text{M}}}{4}$$
দুটি এক-পরমাণুক আদর্শ গ্যাস পরস্পরের সাথে তাপীয় সাম্যাবস্থায় আছে। A গ্যাস m ভরের অণু দ্বারা গঠিত, এবং B গ্যাস 4m ভরের অণু দ্বারা গঠিত। A গ্যাসের আয়তন ৪ গ্যাসের আয়তনের দ্বিগুণ। এদের চাপের অনুপাত PA / PB কত? (Two monoatomic ideal gases are in thermal equilibrium with each other. Gas A is composed of molecules with mass m while gas B is composed of molecules with mass 4m. The volume of gas A is twice that of gas B. What it the ratio of their pressures PA / PB ?)
A 1/4
B 1/2
C 1
D 2

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