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Interview Questions for Freshers, Site Engineer, Manager, Plumbing and Firefighting (Part-5)

Er. Parbhakar Dwivedi
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97. What PN rating refers in valves?

98. What is a flow switch in a sprinkler system?

99. What role does orifice plate plays in Firefighting?

100. What have you learned from mistakes on the firefighter job?

101. What is the biggest issue facing fire service today?

102. Beyond what height does upright sprinkler be provided in false ceiling?

103. How sunk reducer plays its part in firefighting system?

104. In firefighting system where we provide the multi stage multi head pump?

105. Why sprinkler drain pipe is provided in firefighting system?

106. How flow switch operates and how its integration one does in BMS?

107. What is the meaning of term UL/FM means in firefighting?

108. Generally beyond what pressure cut of limit main fire pump starts

109. What r the various materials in which fire hydrant accessories are available in market?

110. In how many grades HDPE pipes available?

111. What is the minimum pipe size requirement for WC flush valve, WC flush tank & Urinal sensor?

112. Why vertical inline pumps are more suitable for head above 100 Meters?

113. What is the difference between haunching and encasing?

114. Which is best suitable for water supply inside buildings from cost and long run perspective GI, CPVC or copper?

115. What is difference between smart water meter and mechanical water meter?

116. Which system is more suitable for residential buildings.....Flush valve or flush tank?

117. What are the standard dimensions of the inspection chamber?

118. Why door type fittings are advisable in shaft piping?

119. Kindly define the process to measure slope in external piping?

120. How can you avoid bathroom plumbing maintenance?

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