ETEA Per Engineering Papers

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Q: The sum of exponents of a and b in evegy term of the expansion (a+b)ⁿ is

(a) :  n
(b) :  1
(c) :  2ⁿ
(d) :  None
Answer:  2ⁿ
Explanation:  

Q: Several resistors are connected In paralled the resistance of their equivlent resistor

(a) :  increase
(b) :  decrease
(c) :  not change
(d) :  None of the above
(e) :  None
Answer:  not change
Explanation:  

Q: The coordinates of the midpoint of the line segment whose and points are p1(-10, 4) P2 (7, -5) =

(a) :  [4, -1/2]
(b) :  [-3/2 , -1/2]
(c) :  [3/2, 1/2]
(d) :  None of the above
(e) :  None
Answer:  [-3/2 , -1/2]
Explanation:  

Q: When I told him about it, he

(a) :  is just laughing
(b) :  has just lughed
(c) :  was just laughing
(d) :  just laughed
(e) :  None
Answer:  just laughed
Explanation:  

Q: On a particular railway track a train driver applies the brakes of the train at a yellow signal, a distance of 1 kmfrom red signal, where it stops. The maximum deceleration, what is the maximum safe speed of the tarin at the yellow signal?

(a) :  20m/s
(b) :  40m/s
(c) :  200m/s
(d) :  400m/s
(e) :  None
Answer:  200m/s
Explanation:  

Q: Which is monosaccharide?

(a) :  Maltose
(b) :  Cellulose
(c) :  Sucrose
(d) :  Fructose
(e) :  None
Answer:  Fructose
Explanation:  

Q: Ethanl is isomeric with

(a) :  ethanal
(b) :  Di-ethyl-ehter
(c) :  dimethyl ether
(d) :  propannone
(e) :  None
Answer:  Di-ethyl-ehter
Explanation:  

Q: The displacement 'x' of a particle at time 't' is given by 'x'= 10 sit 4t. The particle orscillates with period

(a) :  ∏/10s
(b) :  ∏/5s
(c) :  ∏/4s
(d) :  ∏/2s
(e) :  None
Answer:  ∏/2s
Explanation:  

Q: The work done against friction will

(a) :  Not changge the entropy of system
(b) :  decreases the entropy of system
(c) :  cause to drop the entropy to zero
(d) :  Incrases the entropy of system
(e) :  None
Answer:  Incrases the entropy of system
Explanation:  
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