Mechanical Engineering - Online Test
Q1. The parabolic arc y = √x, 1 ≤ x ≤ 2 is revolved around the x-axis. The volume of the solid of revolution is
Answer : Option D
Explaination / Solution:
No Explaination.
Q2. The Blasius equation, 
is a
is a
Answer : Option B
Explaination / Solution:
No Explaination.
Q3. The value of the integral 
is
is
Answer : Option D
Explaination / Solution:
No Explaination.
Q4. The modulus of the complex number ((3 + 4i)/(1 - 2i)) is
Answer : Option B
Explaination / Solution:
No Explaination.
Q5. The function y = |2 - 3x|
Answer : Option C
Explaination / Solution:
No Explaination.
Q6. One of the eigen vectors of the matrix 
is
is
Answer : Option A
Explaination / Solution:
No Explaination.
Q7. Velocity vector of a flow field is given as 
the velocity vector at
(1,1,1) is
the velocity vector at
(1,1,1) is
Answer : Option D
Explaination / Solution:
No Explaination.
Q8. The Laplace Transform of a function f(t) = 1/(s2(s + 1)). The f(t) is
Answer : Option A
Explaination / Solution:
No Explaination.
Q9. A box contains 2 washers, 3 nuts and 4 bolts. Items are drawn from the box at
random one at a time without replacement. The probability of drawing 2 washers
first followed by 3 nuts and subsequently the 4 bolts is
Answer : Option C
Explaination / Solution:
No Explaination.
Q10. 25 persons are in a room. 15 of them play hockey, 17 of them play football and
10 of them play both hockey and football. Then the number of persons playing
neither hockey nor football is:
Answer : Option D
Explaination / Solution:
No Explaination.
