101. For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for diaofthe tank in question), the thickness of the courses of shell
102. In the design of a paddle agitator, the ratiois normally taken as
103. The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress.
104. Hole diameter of the seive trays in the distillation column ranges from __________ mm.
105. Factor of safety (i.e., overdesign factor) in heat transfer equipments is about __________ percent more than the actual/theoretical design factor.
106. In which of the following processes light energy is converted into chemical energy?
107. In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the
108. The minimum shell thickness for tank ≤ 15 metres diameter is limited to __________ mm, for reasons of elastic stability.
109. If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of
110. Brass valves are usually made for pipe sizes __________ inches.
111. At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure
112. In a shell and tube heat exchanger, triangular pitch arrangement as compared to square pitch arrangement
113. Pick out the wrong statement about routing of fluids in a shell and tube heat exchanger.
114. The necessary wall thickness for a metallic storage vessel is a function of the
115. In a multiple effect evaporator system having 'n' effects, the amount of water evaporated per unit surface area in approximately equal to __________ times that in a single effect.
116. Pick out the wrong statement pertaining to the design of a horizontal tube evaporator.
117. Weep holes provided in the plates of a distillation column
118. Steam is preferred to be used as a heating medium in heat exchangers, because of its
119. __________ shapedroof is the most commonly used roof for cylinderical storage tanks.
120. Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.
121. Value of Peclet number = ∞, is the representative of
122. for a Tee (used as elbow, entering branch) would be
123. In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter.
124. In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps.