Q. In the Figures (a) and (b) shown below, the transformers are identical and ideal, except that the transformer in Figure (b) is centre-tapped. Assuming ideal diodes, the ratio of the root- mean-square (RMS) voltage across the resistor 𝑅 in Figure (a) to that in Figure (b) is (A) √2:1 (B) 2:1 (C) 2√2:1 (D) […]
Q. A box has 8 red balls and 8 green balls. Two balls are drawn randomly in succession from the box without replacement. The probability that the first ball drawn is red and the second ball drawn is green is Sol: A box has 8 red balls and 8 green balls. Two balls are drawn
Q. In an electromagnetic scale modeling experiment in the lab, the relation between the field and lab geometrical scaling factor (n) with the field and lab resistivity (𝜌𝑓 & 𝜌𝑚) as well as frequencies (𝑓𝑓 & 𝑓𝑚) will be Ans: Option A
Q. The phase difference between the input and output signals for a ‘Compensator device’ used in electromagnetic prospecting to nullify the effect of primary field at the receiver coil is (A) 0° (B) 45° (C) 90° (D) 180° Ans: 180°
Q. Which one of the following statements is INCORRECT with regard to Nuclear Magnetic Resonance (NMR) logging? (ΦNMR – NMR derived total porosity, ΦD – Density porosity) (A)The relaxation time (T2) decreases with decrease in pore size. (B)The ΦNMR is greater than ΦD in a water saturated sandstone formation. (C)The NMR logs provide lithology independent
Q. Which one of the following is CORRECT for the density porosity (fD) and neutron porosity (fN) estimated for a finely interbedded organic-rich, shaly sandstone formation relative to those for a shale-free sandstone formation at shallow depths? (A) ΦN decreases and ΦD increases. (B) ΦN increases and ΦD decreases. (C) Both ΦN and ΦD decrease.
Daily Quiz on Current Affairs 28 August 2023 is very important for Competitive Exams like SSC, Railway, RRB, Banking, IBPS, PSC, UPSC, etc. Our Gkseries team have composed these Current Affairs Quizzes from Newspapers like The Hindu and other competitive magazines.
Daily Quiz on Current Affairs by Gkseries – 28 August 2023 Read More »
Q. Match the economic deposits in Group I with their occurrence in stratigraphic units in Group II Group I Group II P. Phosphate 1. Sargur Group Q. Manganese 2. Nallamalai Group R. Chromite 3. Udaipur Formation S. Barite 4. Mansar Formation (A) P-1, Q-3, R-4, S-2 (B) P-3, Q-4, R-2, S-1(C) P-2, Q-1, R-4, S-3 (D)
Q. Which one of the following statements is CORRECT about bivalve habitat? (A) Gryphaea is a burrowing variety. (B) Pholas is a free lying form. (C) Lucina is a boring variety. (D) Mytilus is a bysally attached form. Ans: Mytilus is a bysally attached form.
Which one of the following statements is CORRECT about bivalve habitat? Read More »
Q. Which one of the following stratigraphic units represents the CORRECT order of younging? (A) Trichinopally Group – Uttatur Group – Ariyalur Group – Niniyur Group (B) Kopili Formation – Sylhet Formation – Barail Formation – Boka Bil Formation (C) Chinji Formation – Nagri Formation – Dhok Pathan Formation – Tatrot Formation (D) Barakar Formation
Which one of the following stratigraphic units represents the CORRECT order of younging? Read More »
