Related Questions

In a moderately sized packed absorption tower, channeling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter
A > 4 :1
B > 8:1
A teacher can help adolescent to overcome his special problems, and help him to adjust to the environment. Which of the following attitude, he should not made?
A He should impart right information about sex
B He should redirect the energies of the adolescent to fruitful channels through sports and other constructive activities
C He should have unsympathetic attitude towards others
D He should have right information about sex
When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in
A Raman spectra
B Absorption spectra
C Emission spectra
D Fluorescence
Choose the simple form of the sentence- "If you help me, I will help you"
A By your help I will help you
B Despite your help I will help you
C In case of your helping me I will help you
D In case of your help me I will help you
"Help!""Help!",shouted the boy.(Indirect)
A The boy shouted help, help.
B The boy told others to help.
C The boy shouted for help.
D The boy told others shouting to help.
"Help! help!", shouted the boy. (Indirect)
A The boy shouted help, help.
B The boy told others to help.
C The boy shouted for help
D The boy told others shouting to help.
"Help! Help!", should the boy. (Indirect)
A The boy should help, help
B The boy told others to help.
C The boy shouted for help
D The boy told others shouting to help
In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants)
A A
B N
C A+N
D A-N
If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to
A $${\text{A}}$$
B $$\frac{{\text{A}}}{2}$$
C $$\frac{{\text{A}}}{{\sqrt 2 }}$$
D $${\text{A}}\sqrt 2 $$
The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are
A Always irreversible
B Insensitive to temperature changes
C Mostly irreversible
D Highly temperature sensitive

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