Toggle navigation
Home
KPSC Previous Question Papers
Article Category
kerala psc
upsc
General
Popular Pages
Multiple Choice Question in engineering-mechanics-kinetics-of-a-particle-impulse-and-momentum
Multiple Choice Question in database-database-redesign
Question Answer in malayalam-kerala-psc-questions
Multiple Choice Question in malayalam-kerala-psc-questions
Multiple Choice Question in current-affairs-2017-03-05
Question Answer in kerala-psc-questions-in-malayalam
Multiple Choice Question in kerala-psc-questions-in-malayalam
Multiple Choice Question in electronics-and-communication-engineering-electronic-devices-and-circuits
Multiple Choice Question in database-sql-for-database-construction-and-application-processing
Question Answer in Antonyms
Multiple Choice Question in 035/2016
Question Answer in KERALA PSC
Multiple Choice Question in KERALA PSC
Question Answer Bank
Multiple Choice Question Bank
Question Answer Category
Multiple Choice Question Category
Home
->
Question Answer Bank
1. The substances which reduce the frictional force between moving surfaces?
Answer: Lubricants eg : Grease; Oil; Graphite
Previous Question
Next Question
Add Tags
Report Error
Reply
Type in
(Press Ctrl+g to toggle between English and the chosen language)
Post reply
Comments
Tags
Physics-(Objective)
Show Similar Question And Answers
QA->The substances which reduce the frictional force between moving surfaces?....
QA->A man started to walk East. After moving a distance he turned to his right. After moving a distance he turned to his right again. After moving a little he turned in the end of his left. In which direction he going is now?....
QA->Frictional force acting between parallel layers of a liquid is called?....
QA->The frictional force offered by a liquid is called?....
QA->The substances which are capable of removing water vapour from other substances are called?....
MCQ->The simplest method of welding two pieces of metal together is known as pressure welding.The ends of a metal are heated to a white heat-for iron,the welding temperature should be about 1300C-in a flame.At this temperature the metal becomes plastic.The ends are pressed or hammered together,and the joint is smoothed off.Care must be taken to ensure that surfaces are thoroughly clean first,for dirt will weaken the weld.Moreover,the heating of iron or steel to a high temperature cause oxidation,and a film of oxide is added to the heated surfaces.For this reason,flux is applied to the heated metal.At welding heat,flux melts and the oxide particles are dissolved in it together with any other impurities which may be present.The metal surfaces are pressed together,and the flux is squeezed out from the center of the weld.A number of different types of weld may be used,but for fairly thick bars of metals,a vee-shaped belt should be normally employed.It is rather stronger than ordinary butt weld. The simplest way of welding two pieces of metal together is...
MCQ->S1: A force of exists between everybody in the universe. P : Normally it is very small but when the one of the bodies is a planet, like earth, the force is considerable. Q : It has been investigated by many scientists including Galileo and Newton. R : Everything on or near the surface of the earth is attracted by the mass of earth. S : This gravitational force depends on the mass of the bodies involved. S6: The greater the mass, the greater is the earth's force of attraction on it. We can call this force of attraction gravity. The Proper sequence should be:...
MCQ->Which of the following statements are true for the pile shown in the figure ? 1. Frictional resistance acts upwards through the length of the pile. 2. Negative skin friction acts over the length AB 3. Frictional resistance acts upwards over the length BC 4. There is point resistance at level C Select the correct answer using the codes given below : ...
MCQ->Two long parallel surfaces each of emissivity 0.7 are maintained at different temperatures and accordingly have radiation heat exchange between them. It is desired to reduce 75% of the radiant heat transfer by inserting thin parallel shields of emissivity 1 on both sides. The number of shields should be...
MCQ->Pick out thể one word for - a secret arrangement...
×
×
Type The Issue
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...
Privacy
|
Terms And Conditions
Question ANSWER With Solution