Question 1

Which of the following is a vector quantity?

Accepted Answer

weight

Answer

calorie

Answer

entropy

Answer

kinetic energy

Question 2

The difference between the position vectors of two points is called the:

Accepted Answer

displacement

Answer

distance

Answer

velocity

Answer

speed

Question 3

The vector j = [0,1] is called unit vectors along:

Accepted Answer

y-axis

Answer

z-axis

Answer

x-axis

Answer

none of these

Question 4

Time, density, temperature, length, volume, speed and work are examples of:

Accepted Answer

scalars

Answer

vectors

Answer

unit vectors

Answer

none of these

Question 5

A function which is to be maximized or minimized is called:

Accepted Answer

objective function

Answer

subjective function

Answer

quantitative function

Answer

qualitative function

Question 6

Two vectors are said to be negative of each other if they have _________ magnitude and ___________ direction:

Accepted Answer

same, opposite

Answer

opposite, same

Answer

same, same

Answer

none of these

Question 7

There are _____________  feasible solutions in the feasible region:

Accepted Answer

infinitely many

Answer

finitely many

Answer

two

Answer

none of these

Question 8

If a function f(x, y) have same maximum value at any two points, then it is _______________ at all the points of the line segment between these points:

Accepted Answer

maximum

Answer

maybe minimum

Answer

minimum

Answer

maybe maximum

Question 9

Mark the wrong statement. Two vectors can be:

Accepted Answer

divided

Answer

subtracted

Answer

added

Answer

multiplied

Question 10

A scalar quantity is one that possesses only:

Accepted Answer

magnitude

Answer

none of these

Answer

both magnitude and direction

Answer

direction

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