78101. How many parallel paths in simplex wave winding of a generator having 8 poles?
78102. Which law/rule states that the magnitude of the induced e.m.f is directly proportional to the rate of change of flux linkage?
78103. The table fan is not oscillating.The cause may be:
78104. Which one has negative temperature co-efficient of resistance?
78105. Which type of resistors are called as thermistors?
78106. Which one is NOT an application of electromagnet?
78107. The magnetic term analogous to electrical term current is:
78108. The fire extinguisher not used for electric fire:
78109. Six carbon-zinc cells in series have an output of:
78110. A 100 Ah capacity battery should deliver a current of 10 A for approximately--------hours
78111. A flurescent tube may burn out if the choke coil is:
78112. Choose the box that is similar to the box formed from the given sheet of paper (X).
78113. The starting torque of a single phase induction motor is:
78114. While testing a capacitor with a multimeter,the needle shows zero position indicating the capacitor is:
78115. The direction of rotation of a capacitor start motor can be reversed by:
78116. What is the synchronous speed of a six pole induction motor running on power at 60 Hz supply?
78117. The output of an alternator is in:
78118. The other name of field current in an alternator is:
78119. A 6-pole,1200 rpm alternator will generate emf at the frequency of:
78120. The voltage induced in the armature of an alternator will be:
78121. In Scot connection,the teaser transformer has a tapping of------------transformer.
78122. The common method of cooling a power transformer is:
78123. Which of the following finished patterns can be obtained from the piece of cardboard (X) shown below?
78124. Three single phase transformers,each with 10 KVA rating connected in deltIf one of the transformer is damaged and taken out,the output of the system will be:
78125. Transformer oil is used to:
78126. When the following figure is folded to form a cube, how many dots lie opposite the face bearing five dots?
78127. Which one of the following transformer is largest in size?
78128. Power transformers are designed to have maximum efficiency at:
78129. A transformer has maximum efficiency at an iron loss of 400 watts.Its copper less will be:
78130. Observe the dots on a dice (one to six dots) in the following figures. How many dots are contained on the face opposite to that containing four dots?
78131. Three different positions of a dice are shown below. How many dots lie opposite 2 dots?
78132. The six faces of a dice have been marked with alphabets A, B, C, D, E and F respectively. This dice is rolled down three times. The three positions are shown as: Find the alphabet opposite A.
78133. Three positions of a dice are given. Based on them find out which number is found opposite the number 2 in the given cube.
78134. A dice is thrown four times and its four different positions are shown below. Find the number on the face opposite the face showing 2.
78135. Two positions of a dice are shown. When 4 is at the bottom, what number will be on the top?
78136. A dice is rolled twice and the two positions are shown in the figure below. What is the number of dots at the bottom face when the dice is in position (i)?
78137. Below are depicted the three different positions of a dice. Find the number of dots on the face opposite to the face with one dot.
78138. Two positions of a parallelepiped are shown below. When the number 3 will be on the top side, then which number will be at the bottom?
78139. A dice is numbered from 1 to 6 in different ways. If 1 is adjacent to 2, 3 and 5, then which of the following statements is necessarily true?
78140. What will be the number at the bottom, if 5 is at the top; the two positions of the dice being as given below:
78141. If the total number of dots on opposite faces of a cubical block is always 7, find the figure which is correct.
78142. Two positions of a block are given below. When 1 is at the top, which number will be at the bottom?
78143. What number is opposite 3 in the figure shown below? The given two positions are of the same dice whose each surface bears a number among 1, 2, 3, 4, 5 and 6.
78144. Two positions of a dice are shown below. Identify the number at the bottom when the top is '3'?
78145. Three different positions X, Y and Z of a dice are shown in the figures given below. Which number lies at the bottom face in position X?
78146. A dice is numbered from 1 to 6 in different ways. If 2 is opposite to 3 and adjacent to 4 and 6, then which of the following statements is necessarily true?
78147. Two positions of a dice are shown below. When number 1 is on the top, what number will be at the bottom?
78148. Two positions of a cube are shown below. When the number 4 will be at the bottom, then which number will be at the top?
78149. Two positions of a block are shown below: When six is at the bottom, what number will be at the top?
78150. Two positions of a dice are shown below: When 2 is at the bottom, what number will be at the top?