class 11 scholarship entrance questions with answers || ctevt scholarship entrance questions 2081|| vvi for civil engineer, Health assistant, nurse, +science and management

 

The average force per unit area is called:

• a. pressure
• b. bithrust
• c. density
• d. upthrust

Which of the following objects is not made according to Archimedes' principle?

• a. ship
• b. submarine
• c. lactometer
• d. spring balance

If the density of a body is greater than the density of a liquid, the body will:

• a. float on the liquid
• b. sink in the liquid
• c. submerge partially in the liquid
• d. none of these

A ship going from sea water to river water has to displace more water to:

• a. change the buoyant force
• b. decrease the buoyant force
• c. maintain the same buoyant force
• d. none of these

The normal atmospheric pressure is:

• a. 76 m of Hg
• b. 76 cm of Hg
• c. 76 Pa
• d. 76 Nm^-2

The atmospheric pressure on the surface of p1 and inside mine is p2. They are related as:

• a. p1 = p2
• b. p1 > p2
• c. p1 < p2
• d. p2 = 0

Water has density at 4°C is:

• a. 1000 kg/m³
• b. 1000 g/m³
• c. 800 kg/m³
• d. none

If an iron box having length 3 m, breath 1 m and height 2 m, has mass of 3000 kg. Does the iron box float on water?

• a. yes, it floats on water
• b. no, it is not float on water
• c. may or may not be
• d. none of these

Any pressure applied on an enclosed liquid is transmitted equally in all parts. The statement is:

• a. Pascal's law
• b. Archimedes' principle
• c. Principle of flotation
• d. Principle of air pump

The value of standard atmospheric pressure is:

• a. 7600 mm of Hg
• b. 760 cm of Hg
• c. 760 mm of Hg
• d. 76 mm of Hg

Mercury barometer was invented by:

• a. Blaise Pascal
• b. Archimedes
• c. Aneroid
• d. Torricelli

In which instrument of the following the washer works as a valve?

• a. Syringe
• b. Hydraulic garage lift
• c. Air pump
• d. Water pump

A hydraulic garage lift is based on:

• a. Pascal's law
• b. Law of floatation
• c. Atmospheric pressure
• d. Archimedes principle

The formula showing relation among cross sectional area and efforts is given by:

• a. Not shown
• b. A₁ × A₂ = F₁ × F₂
• c. Not shown
• d. All of the above
  • F₁/A₁ = F₂/A₂

U = W₂ gives the conclusion of:

• a. Pascal's law
• b. Law of floatation
• c. Atmospheric pressure
• d. Archimedes principle

The fraction of a floating solid inside liquid is given by:

• a. Not shown
• b. V₁ × V₂
• c. V₂/V₁
• d. V₂ - V₁

Which of the following formula gives definition of relative density?

• a. water at 4°C
• b. Not shown
• c. water at 40°C
• d. a / (alcohol at 4°C)

A solid object weights 24 N in air and 10 N in water. What is the upthrust and weight of the liquid displaced?

• a. 14 N, 14 N
• b. 34 N, 14 N
• c. 14 N. 34 N
• d. None

What is the SI unit of pressure?

• a) Pascal
• b) N/m²
• c) Both a & b
• d) kg/m²

Which of the following is not true?

• a) P = F/A
• b) Pc F
• c) Pc 1/A
• d) P= F/V

The mass per unit volume is called as:

• a) Pressure
• b) Density
• c) Force
• d) Pascal

The unit of density in Sl system is:

• a) g/cc
• b) kg/m³
• c) Pascal
• d) N/m¹

The pressure exerted by air or atmosphere on the earth surface is called:

• a) Pressure of liquid
• b) Atmospheric pressure
• c) Up thrust
• d) One Pascal