Questions ▼
MCQ on Pressure Class 8. We covered all the MCQ on Pressure Class 8 content in this post for free. This MCQ is not just for 8th class students but for all who are looking for fluid pressure MCQ.
Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.
These types of competitive MCQs appear in exams like SSC CGL, CHSL, JE, MTS, Stenographer, CPO, Railway Group-D, NTPC, ALP, JE, RPF, Tech, Bank, Delhi Police Constable, UP Lekhpal, DSSSB, DDA ASO, BPSC Teaching, Defence, UPSSSC, UPSC (Pre), UPP, SI, UPTET, UPPCS, BPSC, BSSC, SBI, IBPS, LIC, State PCS, CDS, NDA, Assistant Commandant, and other Competitive Examinations, etc.
We created all the competitive exam MCQs into several small posts on our website for your convenience.
You will get their respective links in the related posts section provided below.
Related Posts:
MCQ on Pressure Class 8 for Students
Quick Quiz
Which principle is used to calculate the relative density of a liquid?
a. Boyle’s law
b. Newton’s law
c. Archimedes’ principle
d. Pascal’s law
Option c – Archimedes’ principle
What happens to atmospheric pressure as elevation increases?
a. It stays the same
b. It goes up
c. It goes down
d. None of these
Option c – It goes down
The Bramah press operates based on which scientific law?
a. Pascal’s law
b. Archimedes’ principle
c. Boyle’s law
d. Bernoulli’s principle
Option a – Pascal’s law
Which device is commonly used for compressing cotton bales?
a. Hydraulic machine
b. Barometer
c. Altimeter
d. Spring balance
Option a – Hydraulic machine
In the SI system, which unit is used to measure pressure?
a. Dyne
b. Pascal
c. Newton
d. Erg
Option b – Pascal
An iron ball with a density of 8 g/cm³ weighs 20 g in air. What would it weigh when submerged in water?
a. 17 g
b. 1.75 g
c. 17.5 g
d. None of these
Option c – 17.5 g
Hydraulic systems function based on which physical principle?
a. Boyle’s law
b. Archimedes’ principle
c. Bernoulli’s law
d. Pascal’s law
Option d – Pascal’s law
Who is credited with discovering a method to determine gold’s purity?
a. Boyle
b. Pascal
c. Archimedes
d. Bernoulli
Option c – Archimedes
A stone has a weight of 15 g in air and 12 g in water. What is its relative density?
a. 3
b. 5
c. 2.7
d. 4.3
Option b – 5
Identify the physical quantity that differs from the others.
a. Density
b. Pressure
c. Thrust
d. Volume
Option d – Volume
Select the correct statement from the following.
a. Fast-moving air exerts more pressure
b. Increasing pressure on a gas increases its density
c. Moist air is denser than dry air
d. Atmospheric pressure increases with altitude
Option b – Increasing pressure on a gas increases its density
What happens to air density as we ascend to higher altitudes?
a. Pressure increases
b. Density increases
c. Density decreases
d. Both pressure and density increase
Option c – Density decreases
Which pair of quantities shares the same unit?
a. Thrust and pressure
b. Thrust and weight
c. Force and pressure
d. Weight and pressure
Option b – Thrust and weight
One kilogram-force is equivalent to
a. 9.8 Newtons
b. 0.98 Newtons
c. 8.9 Newtons
d. None of the above
Option a – 9.8 Newtons
How many pascals are in 1 kilopascal?
a. 100
b. 1000
c. 10
d. 10,000
Option b – 1000
What liquid is used inside a barometer for measuring atmospheric pressure?
a. Water
b. Alcohol
c. Oil
d. Mercury
Option d – Mercury
The perpendicular force acting on a surface is known as
a. Pressure
b. Density
c. Weight
d. Thrust
Option d – Thrust
Which tool is used in airplanes to measure altitude?
a. Barometer
b. Thermometer
c. Altimeter
d. Anemometer
Option c – Altimeter
The lifting of thatched roofs during storms is an example of
a. Boyle’s law
b. Pascal’s law
c. Bernoulli’s principle
d. Archimedes’ principle
Option c – Bernoulli’s principle
We covered all the MCQ on pressure class 8 above in this post for free so that you can practice well for the exam.
Check out the latest MCQ content by visiting our mcqtube website homepage.
Also, check out:
