Q.1-5 Carry one Mark each.
Choose the appropriate word/pharse, out of the four options given below, to complete the following sentence:
Apparent lifelessness _______________ dormant life.
Fill in the blank with the correct idiom/pharse.
That boy from the town was a ________________ in the sleepy village.
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Choose the statement where underlined word is used correctly.
Tanya is older than Eric.
Cliff is older than Tanya.
Eric is older than Cliff.
if the first two statements are true, then the third statement is :
Five teams have to complete in a league, with every team playing every other team exactly once, before going to the next round. How many matches will have to be held to complete the league round of matches?
Q.6-10 Carry two Mark each
Select the appropriate option in place of underlined part of the sentence.
"Increased productivity necessary" reflects greater efforts made by the employees.
Given below are two statements followed by two conclusions. Assuming these statements to be true, decide which one logically follows.
Statements:
I. No manager is a leader.
II. All leaders are executives.
Conclusions:
I.No manager is a leader.
II. No executive is a manager.
In the given figure angle Q is a right angles, PS:QS= 3:1, RT:QT = 5:2 and PU:UR = 1:1. If area of triangle QTS is 20 cm2, then the area of triangle PQR in cm2 is____________.
Right triangle PQR is to be constructed in the xy- plane so that the right angle is at P and line PR is parallel to the x- axis. The x and y coordinates of P,Q and R are to be integers that satisfy the inequalities; -4< x< 5 and 6< y< 16. How many different triangles could be constructed with these properties?
A coin is tossed thrice. Let X be the event that head occurs in each of the first two tosses. Let Y be the event that a tail occurs on the thrid toss. Let Z be the event that two tails occur in the three tosses. Based on the above information, which one of the following statements is True?
Q. 11 – Q. 35 carry ONE mark each
Consider the following five readings from an experiment: 19, 17, 15, 13, 11. The standard deviation of the readings is________.
is a numerical approximation for
If A and B are matrices, (A)T =
Which of the following properties is intensive?
In an Ellingham diagram, the standard free energy change ΔG° for the oxidation reaction of a metal M given by: xM(s) + O2(g)→ MxO2(s) , is plotted as a function of temperature. The slope of this line is positive because
In froth flotation, hydrophobic mineral particles ascend with air bubbles preferentially over hydrophilic mineral particles. The figure below shows a schematic of a water droplet placed on the surfaces of two mineral P and Q.
Given this information, pick the CORRECT statement from the following:
Which of the following oxide addition results in polymerization (i.e., network formation) in a silicate slag?
Zn is commercially extracted from which of the following minerals?
Self supporting arches for furnace roofs can be fabricated using silica bricks but not using magnesia bricks. Why?
A species can diffuse through the lattice (diffusion coefficient, DL ), along grain boundaries (diffusion coefficient, DGB ), and along free surfaces (diffusion coefficient, DS ). Which of the following relations is CORRECT?
Select the CORRECT plot of Gibbs free energy (G) vs. temperature (T) for a single component system from the following:
If Δx represents adherent oxide layer thickness and t is time, which of the following curves represents diffusion-controlled oxidation kinetics?
Based on the standard galvanic series, select the CORRECT sequence of metals in the increasing order of anodic behaviour:
In a conventional unit cell of a crystal, a = b ≠ c and α= β = γ=90°. This crystal belongs to which of the following systems?
In an X-Ray powder pattern of a simple cubic crystal, the 2nd peak corresponds to
When boron (trivalent) is doped to silicon, the resulting material is
Which of the following metal working operations can be categorized as an indirect compression process?
Which of the following is a typical rolling defect?
Which of the following manufacturing processes is NOT used for producing fine grained metals?
Which of the following metal forming techniques is used to produce soft drink cans from aluminium sheets?