88051. An overdamped system, when disturbed from the equilibrium position, will not cross the equilibrium position.
88052. The efficiency of a screw jack is dependent upon the load raised or lowered.
88053. The instantaneous centres, which moves as the mechanism moves but joints are of permanent nature, are called permanent instantaneous centres.
88054. A pair is said to be a kinematic pair, if the relative motion between them is completely or successfully constrained.
88055. The pitching of a ship is assumed to take place with simple harmonic motion.
88056. A motor car moving at a certain speed takes a left turn in a curved path. If the engine rotates in the same direction as that of wheels, men due to centrifugal force
88057. A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The angular acceleration of the link AB is (where and = Radial and tangential components of the acceleration of B with respect to A)
88058. In order to give a complete secondary balance of a multi-cylinder in-line engine,
88059. A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The total acceleration of B with respect to A will be equal to
88060. A spring controlled governor is said to be stable if the controlling force line when produced intersects the Y-axis
88061. When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable.
88062. The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be
88063. A mechanism is an assemblage of
88064. In a simple harmonic motion, the velocity vector with respect to displacement vector
88065. When a point moves along a straight line, its acceleration will have
88066. The primary unbalanced force of reciprocating masses is inversely proportional to the crank radius.
88067. In an open pair, the two elements of a pair
88068. The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r1 and r2 = External and internal radii of collar respectively)
88069. The ratio of the driving tensions for V-belts is __________ times that of flat belts. (where β = Semi-angle of the groove)
88070. The secondary unbalanced force is __________ the primary unbalanced force.
88071. The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism, because
88072. The two links are said to have a pure rolling contact, when their instantaneous centre __________ on their point of contact.
88073. The brake commonly used in motor cars is internal expanding brake.
88074. The instantaneous centre of a rigid thin disc rolling on a plane rigid surface is located at
88075. The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.
88076. 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
88077. When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in __________ directions.
88078. 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.
88079. The ratio of the actual damping coefficient to the critical damping coefficient is called damping factor.
88080. When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to
88081. 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
88082. In a coupling rod of a locomotive, each of the four pairs is a __________ pair.
88083. An adiabatic process is one in which
88084. Water gas is obtained by passing air and a large amount of steam over waste coal at about 650°C.
88085. When the gas is heated at constant volume, the heat supplied increases the internal energy of the gas.
88086. Which of the following is the lightest and most volatile liquid fuel?
88087. The processes occuring in open system which permit the transfer of mass to and from the system, are known as
88088. Which of the following has the minimum atomic mass?
88089. Workdone in a free expansion process is
88090. The pressure exerted by an ideal gas is __________ of the kinetic energy of all the molecules contained in a unit volume of gas.
88091. The compression ratio for petrol engines is
88092. The efficiency of Diesel cycle approaches to Otto cycle efficiency when
88093. The entropy __________ in an irreversible cyclic process.
88094. The atomic mass of oxygen is
88095. The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is
88096. Carbonisation of coal consists of
88097. The efficiency of Stirling cycle is __________ Carnot cycle.
88098. According to Gay-Lussac law for a perfect gas, p/T = constant, if v is kept constant.
88099. There is no change in internal energy in an isothermal process.
88100. If the value of n = 0 in the equation pvn = C, then the process is called
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