75052. The ratio of the driving tensions for V-belts is __________ times that of flat belts. (where β = Semi-angle of the groove)
75053. The secondary unbalanced force is __________ the primary unbalanced force.
75054. The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism, because
75055. The two links are said to have a pure rolling contact, when their instantaneous centre __________ on their point of contact.
75056. Maximum yield of milk is obtained from ......... variety of cows:?
75057. The brake commonly used in motor cars is internal expanding brake.
75058. The instantaneous centre of a rigid thin disc rolling on a plane rigid surface is located at
75059. The main characteristic of the Indus Valley Civilization was?
75060. The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.
75061. A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance apart. The two masses form an equivalent dynamical system, if
75062. When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in __________ directions.
75063. Which of the following was a nation-wide poverty alleviation programmes launched in India that combined all existing rural employment programmes?
75064. The equation of motion for a vibrating system with viscous damping is
,
if the roots of the equation are __________ then the system will be under damped.
75065. The ratio of the actual damping coefficient to the critical damping coefficient is called damping factor.
75066. When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to
75067. In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to
75068. The first to invade India during the pre-christian era were the?
75069. In a coupling rod of a locomotive, each of the four pairs is a __________ pair.
75070. The main difference between shares and debentures is?
75071. Who discovered Nuclear fission?
75072. German silver is an alloy of?
75073. Ozone attacks?
75074. ...........is the process of finding errors in software code?
75075. An adiabatic process is one in which
75076. Water gas is obtained by passing air and a large amount of steam over waste coal at about 650°C.
75077. The Kerala Institute of Local Administration (KILA) is in?
75078. When the gas is heated at constant volume, the heat supplied increases the internal energy of the gas.
75079. Which of the following is the lightest and most volatile liquid fuel?
75080. The processes occuring in open system which permit the transfer of mass to and from the system, are known as
75081. Which of the following has the minimum atomic mass?
75082. Workdone in a free expansion process is
75083. The pressure exerted by an ideal gas is __________ of the kinetic energy of all the molecules contained in a unit volume of gas.
75084. The compression ratio for petrol engines is
75085. When the days and nights are equal in both the hemispheres of the Earth, it is called?
75086. The efficiency of Diesel cycle approaches to Otto cycle efficiency when
75087. The entropy __________ in an irreversible cyclic process.
75088. The atomic mass of oxygen is
75089. The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is
75090. Carbonisation of coal consists of
75091. The efficiency of Stirling cycle is __________ Carnot cycle.
75092. According to Gay-Lussac law for a perfect gas, p/T = constant, if v is kept constant.
75093. There is no change in internal energy in an isothermal process.
75094. If the value of n = 0 in the equation pvn = C, then the process is called
75095. The value of specific heat at constant pressure (cp) is __________ that of at constant volume (cv).
75096. When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel.
75097. Which is the National game of USA?
75098. The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and recondensed, then the liquid with the next higher boiling point is then evaporated and recondensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called
75099. Who among the following was a lexicographer?
75100. Which of the following gas is mostly used in town for street and domestic lighting and heating?