Description : Any convenient co-ordinate system or Cartesian co-ordinates which can be usedto define the picture is called a.spherical co-ordinates b.vector co-ordinates c.viewport co-ordinates d.world co-ordinates
Last Answer : d.world co-ordinates
Description : ________ is actually a multiport repeater. It is normally usedto createconnections between stations in a physical star topology. A) An activehub B) A passivehub C) either (a)or (b) D) neither (a) nor (b)
Last Answer : An activehub
Description : Which commandis usedto selectdistinct subject (SUB) from thetable (BOOK)? A. SELECT ALL FROM BOOK B. SELECT DISTINCT SUB FROM BOOK C. SELECT SUB FROM BOOK D. All of theabove E. None of the above
Last Answer : SELECT DISTINCT SUB FROM BOOK
Description : Report generatorsare usedto A. store data input bya user B. retrieve information from files C. answer queries D. both (b)and (c) E. None of the above
Last Answer : both (b)and (c)
Description : . In SQL, which command(s) is(are) usedto recompilea storedfunction? A. SET FUNCTION B. SET STORED FUNCTION C. ALTER FUNCTION D. All of theabove E. None of the above
Last Answer : ALTER FUNCTION
Description : Which of the following condition is usedto transmit two packets overa medium at the same time? A. Contention B. Collision C. Synchronous D. Asynchronous E. None of the above
Last Answer : Collision
Description : One alloy contains silver and copper in the ratio 5:1 and the other contains in the ratio 7:2 respectively. What weights of the 2 must be melted together, so as to make a 5 lb mass with 80% silver? A)5:3 B)3:2 C)2:3 D)2:5
Last Answer : B)3:2
Description : Consider two alloys A and B. 50 kg of alloy A is mixed with 70 kg of alloy B. A contains brass and copper in the ratio 3 : 2, and B contains them in the ratio 4 : 3 respectively. What is the ratio of copper to brass in the mixture? A) 8 : 5 B) 7 : 5 C) 5 : 11 D) 4 : 9 E) 5 : 7
Last Answer : Answer: E Brass in A = 3/5 * 50 = 30 kg, Brass in B = 4/7 * 70 = 40 kg Total brass = 30+40 = 70 kg So copper in mixture is (50+70) – 70 = 50 kg So copper to brass = 50 : 70=5:7
Description : An alloy contains 36 % of bronze. What quantity of alloy is required to get 340 g of bronze? a) 1500 b) 944.4 c) 950 d) 1000 e) 980.5
Last Answer : Answer: B Let the quantity of alloy required = x g Then 36 % of x =340 g ⇒ 36/100 × x = 340 g x = (340 × 100)/36 g x = 34000/36 g x = 944.4 g
Description : What is The term alloy is used to describe a?
Last Answer : Feel Free to Answer
Description : Choose a statement that correctly defines the term AMALGAM: A. Amalgam is a metallic powder composed of silver, tin, copper and zinc B. Amalgam is an alloy of two or more metals that have been dissolved in ... is mixed with mercury E. Amalgam is an alloy of two or more metals, one of them is tin
Last Answer : C. Amalgam is an alloy of two or more metals, one of them is mercury