HPCL Mechanical Engineer Mock Test - 1 - Mechanical Engineering MCQ

Hindrance : a thing that provides resistance, delay, or obstruction to something or someone.
Repression : the action of subduing someone or something by force.
Obstacle : a thing that blocks one's way or prevents or hinders progress.
Restriction : a limiting condition or measure, especially a legal one.
Restraint : a measure or condition that keeps someone or something under control.
 

3D figures appear in space. Since square,triangle and rectangle appear on plain, that is, paper, sphere is the only 3D object.

According to laws of exponents, a^m/n = (ⁿ√a)m.
Applying that rule here, 8^2/3 = (3√8)²
= 2²
= 4.

To solve this problem, we need to evaluate the expression (100 - 99⁰) x 100. Let's break it down step by step:
Step 1: Evaluate 99⁰: Any number raised to the power of 0 is equal to 1. So, 99⁰ = 1.
Step 2: Substitute the value of 99⁰ into the expression: (100 - 1) x 100 = 99 x 100.
Step 3: Multiply 99 and 100: 99 x 100 = 9900.
Therefore, the value of the expression (100 - 99⁰) x 100 is 9900.
Hence, the correct answer is C: 9900.

(2√3 +√3) = 3√3       ( By addition of like terms )

So option C is correct answer. 

The quantity that a container holds is called its "capacity" or "volume."

Hence option C is correct.

The total distance = 15 + 20 + 30 + 15 = 80m

Hence, the correct answer is 80m.

The description is as follows:

Hence, ‘COW’ is the odd one out.

Checking Statement I:
Using the above references, we get the following arrangement:

Since there is no information about the position of Bhanu so we cannot find the person who sits on the immediate right of Bhanu.

Hence, data in statement I alone is not sufficient.
Checking Statement II:
Using the above references, we get the following arrangement:

Clearly, Prakash sits on the immediate right of Bhanu.

Hence, data in statement II alone is sufficient.

Hence, Option B is correct.

From the common explanation, we can say that there are at least 16 boys sitting in the row.
Hence, Option B is correct.
Final Arrangement:

Common Explanation:
References:
Only two boys sit to the left of J.
Eight boys sit between R and J.
Only three boys sit between R and M.
Inferences:
From the above references, we get two different cases:

References:
P sits fourth to the right of R.
O sits third to the left of M.
Inferences:
So, from this case 2 will be eliminated as P sits fourth to the right of R.

References:
Only three boys sit between O and H.
T sits third to the right of M.
V sits fourth to the right of O.
More than 12 boys sit between P and H.
More than seven boys sit between P and J.
Inferences:
From the above reference, we get the final arrangement:

The initial force to get an object moving is often dominated by static friction. The static friction is, in most cases, higher than the kinetic friction. Rolling friction is the frictional force that occurs when one object rolls on another, like a car's wheels on the ground.

Carburettor. Carburettor, also spelled carburettor, supplies a spark-ignition engine with a mixture of fuel and air. Components of carburetors usually include a storage chamber for liquid fuel, a choke, an idling (or slow-running) jet, a main jet, a venturi-shaped air-flow restriction.

And W = Q_H - QC

Q_C = Q_H - W = 600 - 150 = 450kcal

40W will glow brighter than 100W. You will get a higher resistance value for the low-rated bulb. Since bulbs are connected in series and the current in series remains the same, brightness will be directly proportional to (I²)×R. Hence bulb of a lower rating will be more brighter for the series connection.

The failure or yielding occurs when the strain energy per unit volume in a strained material reaches the limiting strain energy (or strain energy at the yield point) per unit volume as determined from a simple tension test.

A pitot tube, also known as a pitot probe, is a flow measurement device used to measure fluid flow velocity. It is widely used to determine the airspeed of an aircraft, the water speed of a boat, and to measure liquid, air, and gas flow velocities in certain industrial applications.