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In tropospheric scattering, rapid fading occurs due to _______ and long-term fading occurs due to ______
Consider the following statements to be true even if they seem to be at variance from commonly known facts and decide which of the conclusions logically follows from the statements. Statements: 1. No glass is a paddle. 2. All paddles are brakes. Conclusions: 1. All brakes are paddles. 2. Some brakes are paddles. 3. No brake is glass.
A driver takes 0.20 s to apply the brakes after he sees a need for it. This is called the reaction time of the driver. If he is driving at a speed of 54km/h and the brakes cause a deceleration of 6.0m/s2, find the distance travelled by the car after he sees the need to put the brakes.
Internal shoe brakes are radial while external shoe brakes are axial brakes.
If signalling rate is less than fading rate, _____ fading occurs.
Fading of brakes occurs
In each question below is given a statement numbered I, II and III. An assumption is something supposed or taken for granted. You have to consider the following assumption and decide which of the assumption is implicit in the statement. Statement: An alert motorman averted a major tragedy today when he applied emergency brakes right on time, stopping his train just a few meters away from the spot where part of a road overbridge had collapsed in suburban Andheri. The motorman (driver), Chandrashekhar B Sawant, who was steering the Churchgate-bound 7.06 am suburban train from Borivli, saw a portion of the road overbridge falling as he was nearing the Andheri station. Assumptions: I. The road overbridge, built-in 1971, collapsed near the eastern side of the Andheri railway station and part of it fell on the rail tracks.  II. The driver immediately applied emergency brakes and the train stopped a few meters from the spot where the bridge collapsed. III. The collapse was accompanied by a big thud sound of the falling debris.
A bus is travelling at 54 km/h. suddenly, the driver sees a stop sign 190 m in front and instantly applies the brakes. The bus retards uniformly and stops 10 m before the sign board. How much did the bus take to stop after the brakes were applied? 
A motor car travelling at the rate of 40 km/hr is stopped by its brakes in 4 seconds. How long will it go from the point at which the brakes are first applied?
Pneumatic brakes are same as electrical brakes.