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Which of the following statements are comes for Network Critical Path? 1. The path of critical activities, which links the start and end events is critical path 2. It is the path of activities having zero float 3. It is the path of events having zero slack 4. The sum of the duration of the critical activities along a critical path gives the duration of the Project
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: No plastic is iron. All steel is iron. Conclusions: I. Some plastic is steel. II. Some iron is steel. III. No steel is plastic.
A gap opening penalty for any gap (g) and a gap extension penalty for each element in the gap (r) are most often used, to give a total gap score wx, according to the equation ______
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: Iron is able to take on two crystalline forms (allotropic forms), body-centered cubic, and face-centered cubic, depending on its temperature.  B: Iron is the base metal of steel. C: Because of steel's high tensile strength and low cost, this material is best used in buildings, infrastructure, tools, ships, trains, cars, machines, electrical appliances, and weapons. D: Steel is an alloy of iron and carbon and, sometimes, other elements such as chromium.
In the question, two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement 1: All steel is iron. Statement 2: No iron is solid. Conclusion I: No steel is solid. Conclusion II: Some iron is steel.
Consider the following statements related to the merits of construction in structural steel: 1. Structural steel has high strength per unit weight as compared to RCC. 2. The steel members are slender or small in size as compared to RCC. 3. The steel structures are useful in the construction of tall buildings, long-span bridges, and airplane hangers. Which of the above statements are correct?
I put one ear on a steel railroad track. A. I am able to hear the approaching train sooner through the track than through the air. B. Sound travels faster through steel as compared to air. C. Sound travels faster through solids as compared to gases. Of the above three statements, identify which ones are observations and which are inferences.
Which of the following are not chemical changes? 1. Tempering of iron 2. Conversion of the iron piece into an electro-magnet by passing the current around the iron 3. Melting of iron 4. Rusting of iron Select the correct answer using the code given below:
Out of the total production of iron from hematite, an ore of Iron, 20% of the ore gets wasted, and out of the remaining iron, only 25% is pure iron. If the pure iron obtained in a year from a mine of hematite was 80,000 kg, then the quantity of hematite mined from that mine in the year is
Which of the following statements are true with respect to iron ore?
I. Limestone and coal are important for smelting iron ore
II. More than 20% of the world iron ore deposits are in India
III. Odisha and Jharkhand top in the production of iron ore
IV. Iran is the largest buyer of Indian iron ore