Description : A ball bearing is used in shafts of motors, dynamos to reduce ______. a) movement b)friction c)speed d)none
Last Answer : b)friction
Description : ________ is a substance that can reduce the force of friction between the two surface in contact. a) lubricant b)paste c)water d)push
Last Answer : a) lubricant
Description : Air resistance ______ with an increase in the speed of the object moving through it. a) increases b)decreases c)remains same d)no change
Last Answer : a) increases
Description : What is Friction?
Last Answer : Friction is the force that opposes the relative motion or tendency to such motion of two bodies in contact. If we try to push a block of wood across a table, there are two opposing forces ... table) the object moves further and further before stopping. This demonstrates Galileo's law of inertia too.
Description : The skidding of vehicle on snow is because of very little _______. a) pull b)friction c)push d)none
Description : Write two advantages and two disadvantages of friction.
Last Answer : They change the direction of the objects They change the size of the objects
Description : Describe with neat diagram air friction damping.
Last Answer : Air Friction Damping: Here air trapped in the chamber works as damping medium for the piston movement connected to the spindle. The piston moves in the air chamber. The clearance between piston and ... will be the damping torque, bringing the pointer to the equilibrium position quickly.
Description : The friction losses in Real Transformers are : (A) 0% (B) 5% (C) 25% (D) 50%
Last Answer : A
Description : Kinetic friction is the?
Last Answer : Kinetic friction is the friction force acting when the body is in motion.
Description : Tangent of angle of friction is equal to?
Last Answer : Tangent of angle of friction is equal to coefficient of friction.
Description : Dynamic friction as compared to static friction is?
Last Answer : Dynamic friction is less compared to static friction.
Description : Coulomb friction is the friction between?
Last Answer : Coulomb friction is the friction between bodies having relative motion.
Description : Limiting force of friction is the?
Last Answer : Limiting force of friction is the friction force acting when the body is just about to move.
Description : Coefficient of friction is the?
Last Answer : Coefficient of friction is the ratio of limiting friction and normal reaction.
Description : On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be?
Last Answer : On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be zero at its upper end.
Description : On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be?
Last Answer : On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be upwards at its upper end.
Description : The ratio of limiting friction and normal reaction is known as?
Last Answer : The ratio of limiting friction and normal reaction is known as coefficient of friction.
Description : The coefficient of friction depends on?
Last Answer : The coefficient of friction depends on nature of surface.
Description : Angle of friction is the?
Last Answer : Angle of friction is the angle between normal reaction and the resultant of normal reaction and the limiting friction.
Last Answer : The normal value of adhesion friction is 0.25.
Last Answer : The friction at the track is proportional to speed.
Description : Liquid pressure at any point inside the liquid, depends upon _______of the liquid and the height of liquid column above that point. a) area b)density c)weight d)none
Last Answer : b)density
Description : Talcum powder poisoning?
Last Answer : DefinitionTalcum powder is a powder made from a purified mineral called talc. Talcum powder poisoning may occur when someone accidentally or intentionally breathes in or swallows talcum powder.This is ... talc.SymptomsMost symptoms are caused by accidental or long-term breathing in (inhaling) of ta
Description : . To produce talcum powder, use (A) Ball mill (B) Hammer mill (C) Jet mill (D) Pin mill
Last Answer : (A) Ball mill
Description : Property responsible for the talcum powder to cling to the skin is the (A) Capillary action (B) Adhesion (C) Cohesion (D) Surface tension
Last Answer : Option B
Description : Who is the father of carom board game and from which country ?
Last Answer : Carrom discovery in South Asia. Of course, this is not to say that there is no debate. Some say the game first started in Sri Lanka. Many say that it was the Indians who once spread the ... at the international level may be that the game is played at different levels at the grassroots level .
Description : The polish used in carom board?
Last Answer : Boric acid
Description : Who is the best striker now?
Last Answer : answer:I am going to assume you mean striker and so go with Lionel Messi. Messi is an expert dribbler and can place the ball perfectly even in the most pressured of situations. He broke the world record ... season, scoring 73, and he scored another 60 in the 2012-2013 season. 41 goals, 2013-2014
Description : What is a carom game?
Last Answer : Carrom is a kind of tabletop game. The game bears a striking resemblance to the game of billiards and table shuffleboard. Another name for this game is Finger Billiards.
Description : What do you call carom seeds in sinhala?
Last Answer : Carom seeds
Description : Often an unbalance of forces is produced in rotary or reciprocating machinery due to the ______ * 1 point (A) Centripetal forces (B) Centrifugal forces (C) Friction forces (D) Inertia forces
Last Answer : (D) Inertia forces
Description : A ______ is a specialized heat exchanger in which air and water are brought into direct contact with each otherin order to reduce the water's temperature. a. Cooling tower b. Heating tower c. Both d. All are wrong
Last Answer : cooling tower
Description : Why do we sprinkle water over naan bread before we put it in the oven?
Last Answer : This allows for better expansion in the oven. As soon as the exterior dries, the loaf becomes encased in an inflexible shell and can no longer develop. You eventually do want the crust to form, ... the starch of the flour to gelatinize, which improves both the texture and the color of the surface
Description : If we sprinkle common salt on an earthworm, why does it die? -Do You Know?
Last Answer : answer:
Description : If we sprinkle common salt on an earthworm, why does it die?
Last Answer : Due to osmotic shock
Description : The resistance to the motion of the body is provided by ______ a) Medium of vibration b) Speed of vibration c) Length of the material d) External friction
Last Answer : a) Medium of vibration
Description : What kind of salt/sugar do they sprinkle on the canned nuts?
Last Answer : I only buy peanuts with Sea Salt, so I’m not sure. Does the can specify what kind of salt it uses by any chance?
Description : How large can a cupcake sprinkle be and still be considered a "sprinkle"?
Last Answer : 1x3
Description : When applying granular fertilizer to Rhododendrons where should a sprinkle it and why?
Last Answer : Need Answer
Description : Is it necessary to sprinkle while keeping grass in silopite ?
Last Answer : When placing grass in silopite, you have to sprinkle the molasses.
Description : What is the meaning of Sprinkle ?
Last Answer : Sprinkle means to scatter or read.
Description : Name the types of irrigation that does not prevail in India. A: Wells: B. Sprinkle. C. Tanks, D. Canals.
Last Answer : B. Sprinkle.
Description : This mode of irrigation can be used to irrigate extremely large area in various regions single handedly. A. Sprinkle. B. Drip.C. Sprinkle. D. Canal.
Last Answer : D. Canal.
Description : Most efficient means of irrigation in South India. A. Sprinkle. B. Drip. C. Tube well. D. Canal.
Last Answer : B. Drip.
Description : Most widely used means of irrigation in South India. A. Sprinkle. B. Wells. C. Drip. D. Canal.
Description : Most expensive means of irrigation in India. A. Sprinkle. B. Wells. C. Tank. D. Drip.
Last Answer : A. Sprinkle.
Description : Most popular means of irrigation in India. A. Canal. B. Wells. C. Sprinkle. D. Drip.
Last Answer : B. Wells.
Description : It is the most advanced system of irrigation what was developed in Israel. A. Canal. B. Drip. C. Sprinkle. D. Tube well.
Description : Which among the following is not a modern means of irrigation. A. Sprinkle. B. Perennial Canals. C. Tube wells. D. Persian wheel.
Last Answer : D. Persian wheel.
Description : Construction cost of this mode of irrigation is zero. A. Well. B. Sprinkle. C. Drip. D. Tank.
Last Answer : D. Tank.